131420156

素因数分解:

$2^2\times 7^2\times {\mathrm{670511}}^1$

素因数の和:670529

約数の個数: 18

約数和(自身を含む): 267534288

約数和(自身を除く): 136114132

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 670511, 1341022, 2682044, 4693577, 9387154, 18774308, 32855039, 65710078, 131420156]

約数ペア:

[(1, 131420156), (2, 65710078), (4, 32855039), (7, 18774308), (14, 9387154), (28, 4693577), (49, 2682044), (98, 1341022), (196, 670511)]