261409040642

素因数分解:

$2^1\times {\mathrm{79}}^2\times {\mathrm{823}}^1\times {\mathrm{25447}}^1$

素因数の和:26430

約数の個数: 24

約数和(自身を含む): 397638029376

約数和(自身を除く): 136228988734

約数列:

[1, 2, 79, 158, 823, 1646, 6241, 12482, 25447, 50894, 65017, 130034, 2010313, 4020626, 5136343, 10272686, 20942881, 41885762, 158814727, 317629454, 1654487599, 3308975198, 130704520321, 261409040642]

約数ペア:

[(1, 261409040642), (2, 130704520321), (79, 3308975198), (158, 1654487599), (823, 317629454), (1646, 158814727), (6241, 41885762), (12482, 20942881), (25447, 10272686), (50894, 5136343), (65017, 4020626), (130034, 2010313)]