128191796

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{443}}^1\times {\mathrm{991}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 228152064

約数和(自身を除く): 99960268

約数列:

[1, 2, 4, 73, 146, 292, 443, 886, 991, 1772, 1982, 3964, 32339, 64678, 72343, 129356, 144686, 289372, 439013, 878026, 1756052, 32047949, 64095898, 128191796]

約数ペア:

[(1, 128191796), (2, 64095898), (4, 32047949), (73, 1756052), (146, 878026), (292, 439013), (443, 289372), (886, 144686), (991, 129356), (1772, 72343), (1982, 64678), (3964, 32339)]