257845416

素因数分解:

$2^3\times 3^1\times {\mathrm{191}}^1\times {\mathrm{56249}}^1$

素因数の和:56449

約数の個数: 32

約数和(自身を含む): 648000000

約数和(自身を除く): 390154584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 191, 382, 573, 764, 1146, 1528, 2292, 4584, 56249, 112498, 168747, 224996, 337494, 449992, 674988, 1349976, 10743559, 21487118, 32230677, 42974236, 64461354, 85948472, 128922708, 257845416]

約数ペア:

[(1, 257845416), (2, 128922708), (3, 85948472), (4, 64461354), (6, 42974236), (8, 32230677), (12, 21487118), (24, 10743559), (191, 1349976), (382, 674988), (573, 449992), (764, 337494), (1146, 224996), (1528, 168747), (2292, 112498), (4584, 56249)]