28554838

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{25541}}^1$

素因数の和:25599

約数の個数: 16

約数和(自身を含む): 47201616

約数和(自身を除く): 18646778

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 25541, 51082, 332033, 664066, 1098263, 2196526, 14277419, 28554838]

約数ペア:

[(1, 28554838), (2, 14277419), (13, 2196526), (26, 1098263), (43, 664066), (86, 332033), (559, 51082), (1118, 25541)]