28900872

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:444

約数の個数: 192

約数和(自身を含む): 105356160

約数和(自身を除く): 76455288

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 13, 14, 18, 21, 22, 24, 26, 28, 33, 36, 39, 42, 44, 52, 56, 63, 66, 72, 77, 78, 84, 88, 91, 99, 104, 117, 126, 132, 143, 154, 156, 168, 182, 198, 231, 234, 252, 264, 273, 286, 308, 312, 364, 396, 401, 429, 462, 468, 504, 546, 572, 616, 693, 728, 792, 802, 819, 858, 924, 936, 1001, 1092, 1144, 1203, 1287, 1386, 1604, 1638, 1716, 1848, 2002, 2184, 2406, 2574, 2772, 2807, 3003, 3208, 3276, 3432, 3609, 4004, 4411, 4812, 5148, 5213, 5544, 5614, 6006, 6552, 7218, 8008, 8421, 8822, 9009, 9624, 10296, 10426, 11228, 12012, 13233, 14436, 15639, 16842, 17644, 18018, 20852, 22456, 24024, 25263, 26466, 28872, 30877, 31278, 33684, 35288, 36036, 36491, 39699, 41704, 46917, 50526, 52932, 57343, 61754, 62556, 67368, 72072, 72982, 79398, 92631, 93834, 101052, 105864, 109473, 114686, 123508, 125112, 145964, 158796, 172029, 185262, 187668, 202104, 218946, 229372, 247016, 277893, 291928, 317592, 328419, 344058, 370524, 375336, 401401, 437892, 458744, 516087, 555786, 656838, 688116, 741048, 802802, 875784, 1032174, 1111572, 1204203, 1313676, 1376232, 1605604, 2064348, 2223144, 2408406, 2627352, 3211208, 3612609, 4128696, 4816812, 7225218, 9633624, 14450436, 28900872]

約数ペア:

[(1, 28900872), (2, 14450436), (3, 9633624), (4, 7225218), (6, 4816812), (7, 4128696), (8, 3612609), (9, 3211208), (11, 2627352), (12, 2408406), (13, 2223144), (14, 2064348), (18, 1605604), (21, 1376232), (22, 1313676), (24, 1204203), (26, 1111572), (28, 1032174), (33, 875784), (36, 802802), (39, 741048), (42, 688116), (44, 656838), (52, 555786), (56, 516087), (63, 458744), (66, 437892), (72, 401401), (77, 375336), (78, 370524), (84, 344058), (88, 328419), (91, 317592), (99, 291928), (104, 277893), (117, 247016), (126, 229372), (132, 218946), (143, 202104), (154, 187668), (156, 185262), (168, 172029), (182, 158796), (198, 145964), (231, 125112), (234, 123508), (252, 114686), (264, 109473), (273, 105864), (286, 101052), (308, 93834), (312, 92631), (364, 79398), (396, 72982), (401, 72072), (429, 67368), (462, 62556), (468, 61754), (504, 57343), (546, 52932), (572, 50526), (616, 46917), (693, 41704), (728, 39699), (792, 36491), (802, 36036), (819, 35288), (858, 33684), (924, 31278), (936, 30877), (1001, 28872), (1092, 26466), (1144, 25263), (1203, 24024), (1287, 22456), (1386, 20852), (1604, 18018), (1638, 17644), (1716, 16842), (1848, 15639), (2002, 14436), (2184, 13233), (2406, 12012), (2574, 11228), (2772, 10426), (2807, 10296), (3003, 9624), (3208, 9009), (3276, 8822), (3432, 8421), (3609, 8008), (4004, 7218), (4411, 6552), (4812, 6006), (5148, 5614), (5213, 5544)]