85687390

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2124

約数の個数: 32

約数和(自身を含む): 159467616

約数和(自身を除く): 73780226

約数列:

[1, 2, 5, 10, 43, 86, 101, 202, 215, 430, 505, 1010, 1973, 3946, 4343, 8686, 9865, 19730, 21715, 43430, 84839, 169678, 199273, 398546, 424195, 848390, 996365, 1992730, 8568739, 17137478, 42843695, 85687390]

約数ペア:

[(1, 85687390), (2, 42843695), (5, 17137478), (10, 8568739), (43, 1992730), (86, 996365), (101, 848390), (202, 424195), (215, 398546), (430, 199273), (505, 169678), (1010, 84839), (1973, 43430), (3946, 21715), (4343, 19730), (8686, 9865)]