28528401

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 43499520

約数和(自身を除く): 14971119

約数列:

[1, 3, 11, 31, 33, 79, 93, 237, 341, 353, 869, 1023, 1059, 2449, 2607, 3883, 7347, 10943, 11649, 26939, 27887, 32829, 80817, 83661, 120373, 306757, 361119, 864497, 920271, 2593491, 9509467, 28528401]

約数ペア:

[(1, 28528401), (3, 9509467), (11, 2593491), (31, 920271), (33, 864497), (79, 361119), (93, 306757), (237, 120373), (341, 83661), (353, 80817), (869, 32829), (1023, 27887), (1059, 26939), (2449, 11649), (2607, 10943), (3883, 7347)]