28642955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{2179}}^1$

素因数の和:2434

約数の個数: 16

約数和(自身を含む): 37670400

約数和(自身を除く): 9027445

約数列:

[1, 5, 11, 55, 239, 1195, 2179, 2629, 10895, 13145, 23969, 119845, 520781, 2603905, 5728591, 28642955]

約数ペア:

[(1, 28642955), (5, 5728591), (11, 2603905), (55, 520781), (239, 119845), (1195, 23969), (2179, 13145), (2629, 10895)]