28685690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3301}}^1$

素因数の和:3398

約数の個数: 32

約数和(自身を含む): 57058560

約数和(自身を除く): 28372870

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 3301, 4345, 6602, 8690, 16505, 33010, 36311, 72622, 181555, 260779, 363110, 521558, 1303895, 2607790, 2868569, 5737138, 14342845, 28685690]

約数ペア:

[(1, 28685690), (2, 14342845), (5, 5737138), (10, 2868569), (11, 2607790), (22, 1303895), (55, 521558), (79, 363110), (110, 260779), (158, 181555), (395, 72622), (790, 36311), (869, 33010), (1738, 16505), (3301, 8690), (4345, 6602)]