291211121012

素因数分解:

$2^2\times 7^1\times {\mathrm{10400397179}}^1$

素因数の和:10400397190

約数の個数: 12

約数和(自身を含む): 582422242080

約数和(自身を除く): 291211121068

約数列:

[1, 2, 4, 7, 14, 28, 10400397179, 20800794358, 41601588716, 72802780253, 145605560506, 291211121012]

約数ペア:

[(1, 291211121012), (2, 145605560506), (4, 72802780253), (7, 41601588716), (14, 20800794358), (28, 10400397179)]