90998570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{9859}}^1$

素因数の和:9950

約数の個数: 32

約数和(自身を含む): 178899840

約数和(自身を除く): 87901270

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 9859, 19718, 49295, 98590, 128167, 256334, 640835, 699989, 1281670, 1399978, 3499945, 6999890, 9099857, 18199714, 45499285, 90998570]

約数ペア:

[(1, 90998570), (2, 45499285), (5, 18199714), (10, 9099857), (13, 6999890), (26, 3499945), (65, 1399978), (71, 1281670), (130, 699989), (142, 640835), (355, 256334), (710, 128167), (923, 98590), (1846, 49295), (4615, 19718), (9230, 9859)]