131857012

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151909}}^1$

素因数の和:151951

約数の個数: 24

約数和(自身を含む): 272222720

約数和(自身を除く): 140365708

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 151909, 303818, 607636, 1063363, 2126726, 4253452, 4709179, 9418358, 18836716, 32964253, 65928506, 131857012]

約数ペア:

[(1, 131857012), (2, 65928506), (4, 32964253), (7, 18836716), (14, 9418358), (28, 4709179), (31, 4253452), (62, 2126726), (124, 1063363), (217, 607636), (434, 303818), (868, 151909)]