71389436

素因数分解:

$2^2\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{491}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 126518784

約数和(自身を除く): 55129348

約数列:

[1, 2, 4, 163, 223, 326, 446, 491, 652, 892, 982, 1964, 36349, 72698, 80033, 109493, 145396, 160066, 218986, 320132, 437972, 17847359, 35694718, 71389436]

約数ペア:

[(1, 71389436), (2, 35694718), (4, 17847359), (163, 437972), (223, 320132), (326, 218986), (446, 160066), (491, 145396), (652, 109493), (892, 80033), (982, 72698), (1964, 36349)]