28285090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 52429680

約数和(自身を除く): 24144590

約数列:

[1, 2, 5, 10, 61, 89, 122, 178, 305, 445, 521, 610, 890, 1042, 2605, 5210, 5429, 10858, 27145, 31781, 46369, 54290, 63562, 92738, 158905, 231845, 317810, 463690, 2828509, 5657018, 14142545, 28285090]

約数ペア:

[(1, 28285090), (2, 14142545), (5, 5657018), (10, 2828509), (61, 463690), (89, 317810), (122, 231845), (178, 158905), (305, 92738), (445, 63562), (521, 54290), (610, 46369), (890, 31781), (1042, 27145), (2605, 10858), (5210, 5429)]