409880401

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1\times {\mathrm{2267}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 489452544

約数和(自身を除く): 79572143

約数列:

[1, 7, 23, 161, 1123, 2267, 7861, 15869, 25829, 52141, 180803, 364987, 2545841, 17820887, 58554343, 409880401]

約数ペア:

[(1, 409880401), (7, 58554343), (23, 17820887), (161, 2545841), (1123, 364987), (2267, 180803), (7861, 52141), (15869, 25829)]