64394948

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1693}}^1$

素因数の和:1991

約数の個数: 24

約数和(自身を含む): 116255832

約数和(自身を除く): 51860884

約数列:

[1, 2, 4, 37, 74, 148, 257, 514, 1028, 1693, 3386, 6772, 9509, 19018, 38036, 62641, 125282, 250564, 435101, 870202, 1740404, 16098737, 32197474, 64394948]

約数ペア:

[(1, 64394948), (2, 32197474), (4, 16098737), (37, 1740404), (74, 870202), (148, 435101), (257, 250564), (514, 125282), (1028, 62641), (1693, 38036), (3386, 19018), (6772, 9509)]