256643886

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{336803}}^1$

素因数の和:336935

約数の個数: 16

約数和(自身を含む): 517330944

約数和(自身を除く): 260687058

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 336803, 673606, 1010409, 2020818, 42773981, 85547962, 128321943, 256643886]

約数ペア:

[(1, 256643886), (2, 128321943), (3, 85547962), (6, 42773981), (127, 2020818), (254, 1010409), (381, 673606), (762, 336803)]