72940016

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{11483}}^1$

素因数の和:11888

約数の個数: 20

約数和(自身を含む): 141689592

約数和(自身を除く): 68749576

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 11483, 22966, 45932, 91864, 183728, 4558751, 9117502, 18235004, 36470008, 72940016]

約数ペア:

[(1, 72940016), (2, 36470008), (4, 18235004), (8, 9117502), (16, 4558751), (397, 183728), (794, 91864), (1588, 45932), (3176, 22966), (6352, 11483)]