1291251170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11738647}}^1$

素因数の和:11738665

約数の個数: 16

約数和(自身を含む): 2535547968

約数和(自身を除く): 1244296798

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 11738647, 23477294, 58693235, 117386470, 129125117, 258250234, 645625585, 1291251170]

約数ペア:

[(1, 1291251170), (2, 645625585), (5, 258250234), (10, 129125117), (11, 117386470), (22, 58693235), (55, 23477294), (110, 11738647)]