281227716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 216

約数和(自身を含む): 934157952

約数和(自身を除く): 652930236

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 42, 44, 46, 63, 66, 69, 77, 84, 92, 99, 121, 126, 132, 138, 154, 161, 198, 207, 231, 242, 252, 253, 276, 308, 322, 363, 396, 401, 414, 462, 483, 484, 506, 644, 693, 726, 759, 802, 828, 847, 924, 966, 1012, 1089, 1203, 1386, 1449, 1452, 1518, 1604, 1694, 1771, 1932, 2178, 2277, 2406, 2541, 2772, 2783, 2807, 2898, 3036, 3388, 3542, 3609, 4356, 4411, 4554, 4812, 5082, 5313, 5566, 5614, 5796, 7084, 7218, 7623, 8349, 8421, 8822, 9108, 9223, 10164, 10626, 11132, 11228, 13233, 14436, 15246, 15939, 16698, 16842, 17644, 18446, 19481, 21252, 25047, 25263, 26466, 27669, 30492, 30877, 31878, 33396, 33684, 36892, 38962, 39699, 48521, 50094, 50526, 52932, 55338, 58443, 61754, 63756, 64561, 77924, 79398, 83007, 92631, 97042, 100188, 101052, 101453, 110676, 116886, 123508, 129122, 145563, 158796, 166014, 175329, 185262, 193683, 194084, 202906, 233772, 258244, 277893, 291126, 304359, 332028, 339647, 350658, 370524, 387366, 405812, 436689, 555786, 581049, 582252, 608718, 679294, 701316, 710171, 774732, 873378, 913077, 1018941, 1111572, 1115983, 1162098, 1217436, 1358588, 1420342, 1746756, 1826154, 2037882, 2130513, 2231966, 2324196, 2840684, 3056823, 3347949, 3652308, 4075764, 4261026, 4463932, 6113646, 6391539, 6695898, 7811881, 8522052, 10043847, 12227292, 12783078, 13391796, 15623762, 20087694, 23435643, 25566156, 31247524, 40175388, 46871286, 70306929, 93742572, 140613858, 281227716]

約数ペア:

[(1, 281227716), (2, 140613858), (3, 93742572), (4, 70306929), (6, 46871286), (7, 40175388), (9, 31247524), (11, 25566156), (12, 23435643), (14, 20087694), (18, 15623762), (21, 13391796), (22, 12783078), (23, 12227292), (28, 10043847), (33, 8522052), (36, 7811881), (42, 6695898), (44, 6391539), (46, 6113646), (63, 4463932), (66, 4261026), (69, 4075764), (77, 3652308), (84, 3347949), (92, 3056823), (99, 2840684), (121, 2324196), (126, 2231966), (132, 2130513), (138, 2037882), (154, 1826154), (161, 1746756), (198, 1420342), (207, 1358588), (231, 1217436), (242, 1162098), (252, 1115983), (253, 1111572), (276, 1018941), (308, 913077), (322, 873378), (363, 774732), (396, 710171), (401, 701316), (414, 679294), (462, 608718), (483, 582252), (484, 581049), (506, 555786), (644, 436689), (693, 405812), (726, 387366), (759, 370524), (802, 350658), (828, 339647), (847, 332028), (924, 304359), (966, 291126), (1012, 277893), (1089, 258244), (1203, 233772), (1386, 202906), (1449, 194084), (1452, 193683), (1518, 185262), (1604, 175329), (1694, 166014), (1771, 158796), (1932, 145563), (2178, 129122), (2277, 123508), (2406, 116886), (2541, 110676), (2772, 101453), (2783, 101052), (2807, 100188), (2898, 97042), (3036, 92631), (3388, 83007), (3542, 79398), (3609, 77924), (4356, 64561), (4411, 63756), (4554, 61754), (4812, 58443), (5082, 55338), (5313, 52932), (5566, 50526), (5614, 50094), (5796, 48521), (7084, 39699), (7218, 38962), (7623, 36892), (8349, 33684), (8421, 33396), (8822, 31878), (9108, 30877), (9223, 30492), (10164, 27669), (10626, 26466), (11132, 25263), (11228, 25047), (13233, 21252), (14436, 19481), (15246, 18446), (15939, 17644), (16698, 16842)]