781067570

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1\times {\mathrm{761}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 1417630896

約数和(自身を除く): 636563326

約数列:

[1, 2, 5, 10, 197, 394, 521, 761, 985, 1042, 1522, 1970, 2605, 3805, 5210, 7610, 102637, 149917, 205274, 299834, 396481, 513185, 749585, 792962, 1026370, 1499170, 1982405, 3964810, 78106757, 156213514, 390533785, 781067570]

約数ペア:

[(1, 781067570), (2, 390533785), (5, 156213514), (10, 78106757), (197, 3964810), (394, 1982405), (521, 1499170), (761, 1026370), (985, 792962), (1042, 749585), (1522, 513185), (1970, 396481), (2605, 299834), (3805, 205274), (5210, 149917), (7610, 102637)]