71577770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1553}}^1$

素因数の和:1990

約数の個数: 32

約数和(自身を含む): 140978880

約数和(自身を除く): 69401110

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 419, 838, 1553, 2095, 3106, 4190, 4609, 7765, 9218, 15530, 17083, 23045, 34166, 46090, 85415, 170830, 650707, 1301414, 3253535, 6507070, 7157777, 14315554, 35788885, 71577770]

約数ペア:

[(1, 71577770), (2, 35788885), (5, 14315554), (10, 7157777), (11, 6507070), (22, 3253535), (55, 1301414), (110, 650707), (419, 170830), (838, 85415), (1553, 46090), (2095, 34166), (3106, 23045), (4190, 17083), (4609, 15530), (7765, 9218)]