172648238

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{397807}}^1$

素因数の和:397847

約数の個数: 16

約数和(自身を含む): 305516544

約数和(自身を除く): 132868306

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 397807, 795614, 2784649, 5569298, 12332017, 24664034, 86324119, 172648238]

約数ペア:

[(1, 172648238), (2, 86324119), (7, 24664034), (14, 12332017), (31, 5569298), (62, 2784649), (217, 795614), (434, 397807)]