28900116

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1571}}^1$

素因数の和:1661

約数の個数: 72

約数和(自身を含む): 84686784

約数和(自身を除く): 55786668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 1571, 2044, 2628, 3066, 3142, 4599, 4713, 6132, 6284, 9198, 9426, 10997, 14139, 18396, 18852, 21994, 28278, 32991, 43988, 56556, 65982, 98973, 114683, 131964, 197946, 229366, 344049, 395892, 458732, 688098, 802781, 1032147, 1376196, 1605562, 2064294, 2408343, 3211124, 4128588, 4816686, 7225029, 9633372, 14450058, 28900116]

約数ペア:

[(1, 28900116), (2, 14450058), (3, 9633372), (4, 7225029), (6, 4816686), (7, 4128588), (9, 3211124), (12, 2408343), (14, 2064294), (18, 1605562), (21, 1376196), (28, 1032147), (36, 802781), (42, 688098), (63, 458732), (73, 395892), (84, 344049), (126, 229366), (146, 197946), (219, 131964), (252, 114683), (292, 98973), (438, 65982), (511, 56556), (657, 43988), (876, 32991), (1022, 28278), (1314, 21994), (1533, 18852), (1571, 18396), (2044, 14139), (2628, 10997), (3066, 9426), (3142, 9198), (4599, 6284), (4713, 6132)]