28791430

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{70223}}^1$

素因数の和:70271

約数の個数: 16

約数和(自身を含む): 53089344

約数和(自身を除く): 24297914

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 70223, 140446, 351115, 702230, 2879143, 5758286, 14395715, 28791430]

約数ペア:

[(1, 28791430), (2, 14395715), (5, 5758286), (10, 2879143), (41, 702230), (82, 351115), (205, 140446), (410, 70223)]