25965268

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 54238464

約数和(自身を除く): 28273196

約数列:

[1, 2, 4, 7, 14, 28, 37, 71, 74, 142, 148, 259, 284, 353, 497, 518, 706, 994, 1036, 1412, 1988, 2471, 2627, 4942, 5254, 9884, 10508, 13061, 18389, 25063, 26122, 36778, 50126, 52244, 73556, 91427, 100252, 175441, 182854, 350882, 365708, 701764, 927331, 1854662, 3709324, 6491317, 12982634, 25965268]

約数ペア:

[(1, 25965268), (2, 12982634), (4, 6491317), (7, 3709324), (14, 1854662), (28, 927331), (37, 701764), (71, 365708), (74, 350882), (142, 182854), (148, 175441), (259, 100252), (284, 91427), (353, 73556), (497, 52244), (518, 50126), (706, 36778), (994, 26122), (1036, 25063), (1412, 18389), (1988, 13061), (2471, 10508), (2627, 9884), (4942, 5254)]