221495274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 192

約数和(自身を含む): 679311360

約数和(自身を除く): 457816086

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 19, 21, 22, 26, 33, 38, 39, 42, 57, 63, 66, 77, 78, 91, 99, 114, 117, 126, 133, 143, 154, 171, 182, 198, 209, 231, 234, 247, 266, 273, 286, 342, 399, 418, 429, 462, 494, 546, 627, 647, 693, 741, 798, 819, 858, 1001, 1197, 1254, 1287, 1294, 1386, 1463, 1482, 1638, 1729, 1881, 1941, 2002, 2223, 2394, 2574, 2717, 2926, 3003, 3458, 3762, 3882, 4389, 4446, 4529, 5187, 5434, 5823, 6006, 7117, 8151, 8411, 8778, 9009, 9058, 10374, 11646, 12293, 13167, 13587, 14234, 15561, 16302, 16822, 18018, 19019, 21351, 24453, 24586, 25233, 26334, 27174, 31122, 36879, 38038, 40761, 42702, 48906, 49819, 50466, 57057, 58877, 64053, 73758, 75699, 81522, 86051, 92521, 99638, 110637, 114114, 117754, 128106, 135223, 149457, 151398, 159809, 171171, 172102, 176631, 185042, 221274, 258153, 270446, 277563, 298914, 319618, 342342, 353262, 405669, 448371, 479427, 516306, 529893, 555126, 647647, 774459, 811338, 832689, 896742, 946561, 958854, 1059786, 1118663, 1217007, 1295294, 1438281, 1548918, 1665378, 1757899, 1893122, 1942941, 2237326, 2434014, 2839683, 2876562, 3355989, 3515798, 3885882, 5273697, 5679366, 5828823, 6711978, 8519049, 10067967, 10547394, 11657646, 12305293, 15821091, 17038098, 20135934, 24610586, 31642182, 36915879, 73831758, 110747637, 221495274]

約数ペア:

[(1, 221495274), (2, 110747637), (3, 73831758), (6, 36915879), (7, 31642182), (9, 24610586), (11, 20135934), (13, 17038098), (14, 15821091), (18, 12305293), (19, 11657646), (21, 10547394), (22, 10067967), (26, 8519049), (33, 6711978), (38, 5828823), (39, 5679366), (42, 5273697), (57, 3885882), (63, 3515798), (66, 3355989), (77, 2876562), (78, 2839683), (91, 2434014), (99, 2237326), (114, 1942941), (117, 1893122), (126, 1757899), (133, 1665378), (143, 1548918), (154, 1438281), (171, 1295294), (182, 1217007), (198, 1118663), (209, 1059786), (231, 958854), (234, 946561), (247, 896742), (266, 832689), (273, 811338), (286, 774459), (342, 647647), (399, 555126), (418, 529893), (429, 516306), (462, 479427), (494, 448371), (546, 405669), (627, 353262), (647, 342342), (693, 319618), (741, 298914), (798, 277563), (819, 270446), (858, 258153), (1001, 221274), (1197, 185042), (1254, 176631), (1287, 172102), (1294, 171171), (1386, 159809), (1463, 151398), (1482, 149457), (1638, 135223), (1729, 128106), (1881, 117754), (1941, 114114), (2002, 110637), (2223, 99638), (2394, 92521), (2574, 86051), (2717, 81522), (2926, 75699), (3003, 73758), (3458, 64053), (3762, 58877), (3882, 57057), (4389, 50466), (4446, 49819), (4529, 48906), (5187, 42702), (5434, 40761), (5823, 38038), (6006, 36879), (7117, 31122), (8151, 27174), (8411, 26334), (8778, 25233), (9009, 24586), (9058, 24453), (10374, 21351), (11646, 19019), (12293, 18018), (13167, 16822), (13587, 16302), (14234, 15561)]