131034428

素因数分解:

$2^2\times 7^2\times {\mathrm{668543}}^1$

素因数の和:668561

約数の個数: 18

約数和(自身を含む): 266749056

約数和(自身を除く): 135714628

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 668543, 1337086, 2674172, 4679801, 9359602, 18719204, 32758607, 65517214, 131034428]

約数ペア:

[(1, 131034428), (2, 65517214), (4, 32758607), (7, 18719204), (14, 9359602), (28, 4679801), (49, 2674172), (98, 1337086), (196, 668543)]