642226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1453}}^1$

素因数の和:1485

約数の個数: 16

約数和(自身を含む): 1099224

約数和(自身を除く): 456998

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 1453, 2906, 18889, 24701, 37778, 49402, 321113, 642226]

約数ペア:

[(1, 642226), (2, 321113), (13, 49402), (17, 37778), (26, 24701), (34, 18889), (221, 2906), (442, 1453)]