15697500005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{1289}}^1\times {\mathrm{20129}}^1$

素因数の和:21445

約数の個数: 24

約数和(自身を含む): 20722224600

約数和(自身を除く): 5024724595

約数列:

[1, 5, 11, 55, 121, 605, 1289, 6445, 14179, 20129, 70895, 100645, 155969, 221419, 779845, 1107095, 2435609, 12178045, 25946281, 129731405, 285409091, 1427045455, 3139500001, 15697500005]

約数ペア:

[(1, 15697500005), (5, 3139500001), (11, 1427045455), (55, 285409091), (121, 129731405), (605, 25946281), (1289, 12178045), (6445, 2435609), (14179, 1107095), (20129, 779845), (70895, 221419), (100645, 155969)]