28975688

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 64627200

約数和(自身を除く): 35651512

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 101, 109, 188, 202, 218, 329, 376, 404, 436, 658, 707, 763, 808, 872, 1316, 1414, 1526, 2632, 2828, 3052, 4747, 5123, 5656, 6104, 9494, 10246, 11009, 18988, 20492, 22018, 33229, 35861, 37976, 40984, 44036, 66458, 71722, 77063, 88072, 132916, 143444, 154126, 265832, 286888, 308252, 517423, 616504, 1034846, 2069692, 3621961, 4139384, 7243922, 14487844, 28975688]

約数ペア:

[(1, 28975688), (2, 14487844), (4, 7243922), (7, 4139384), (8, 3621961), (14, 2069692), (28, 1034846), (47, 616504), (56, 517423), (94, 308252), (101, 286888), (109, 265832), (188, 154126), (202, 143444), (218, 132916), (329, 88072), (376, 77063), (404, 71722), (436, 66458), (658, 44036), (707, 40984), (763, 37976), (808, 35861), (872, 33229), (1316, 22018), (1414, 20492), (1526, 18988), (2632, 11009), (2828, 10246), (3052, 9494), (4747, 6104), (5123, 5656)]