228909239

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 259244496

約数和(自身を除く): 30335257

約数列:

[1, 13, 31, 73, 251, 403, 949, 961, 2263, 3263, 7781, 12493, 18323, 29419, 70153, 101153, 238199, 241211, 568013, 911989, 3135743, 7384169, 17608403, 228909239]

約数ペア:

[(1, 228909239), (13, 17608403), (31, 7384169), (73, 3135743), (251, 911989), (403, 568013), (949, 241211), (961, 238199), (2263, 101153), (3263, 70153), (7781, 29419), (12493, 18323)]