8990212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 21043008

約数和(自身を除く): 12052796

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 101, 119, 154, 187, 202, 238, 289, 308, 374, 404, 476, 578, 707, 748, 1111, 1156, 1309, 1414, 1717, 2023, 2222, 2618, 2828, 3179, 3434, 4046, 4444, 5236, 6358, 6868, 7777, 8092, 12019, 12716, 15554, 18887, 22253, 24038, 29189, 31108, 37774, 44506, 48076, 58378, 75548, 89012, 116756, 132209, 204323, 264418, 321079, 408646, 528836, 642158, 817292, 1284316, 2247553, 4495106, 8990212]

約数ペア:

[(1, 8990212), (2, 4495106), (4, 2247553), (7, 1284316), (11, 817292), (14, 642158), (17, 528836), (22, 408646), (28, 321079), (34, 264418), (44, 204323), (68, 132209), (77, 116756), (101, 89012), (119, 75548), (154, 58378), (187, 48076), (202, 44506), (238, 37774), (289, 31108), (308, 29189), (374, 24038), (404, 22253), (476, 18887), (578, 15554), (707, 12716), (748, 12019), (1111, 8092), (1156, 7777), (1309, 6868), (1414, 6358), (1717, 5236), (2023, 4444), (2222, 4046), (2618, 3434), (2828, 3179)]