81495804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{522409}}^1$

素因数の和:522429

約数の個数: 24

約数和(自身を含む): 204784720

約数和(自身を除く): 123288916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 522409, 1044818, 1567227, 2089636, 3134454, 6268908, 6791317, 13582634, 20373951, 27165268, 40747902, 81495804]

約数ペア:

[(1, 81495804), (2, 40747902), (3, 27165268), (4, 20373951), (6, 13582634), (12, 6791317), (13, 6268908), (26, 3134454), (39, 2089636), (52, 1567227), (78, 1044818), (156, 522409)]