128520046

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{4099}}^1$

素因数の和:4419

約数の個数: 16

約数和(自身を含む): 196750800

約数和(自身を除く): 68230754

約数列:

[1, 2, 61, 122, 257, 514, 4099, 8198, 15677, 31354, 250039, 500078, 1053443, 2106886, 64260023, 128520046]

約数ペア:

[(1, 128520046), (2, 64260023), (61, 2106886), (122, 1053443), (257, 500078), (514, 250039), (4099, 31354), (8198, 15677)]