12945307870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{557747}}^1$

素因数の和:557976

約数の個数: 32

約数和(自身を含む): 25540396416

約数和(自身を除く): 12595088546

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 1055, 2110, 2321, 4642, 11605, 23210, 557747, 1115494, 2788735, 5577470, 6135217, 12270434, 30676085, 61352170, 117684617, 235369234, 588423085, 1176846170, 1294530787, 2589061574, 6472653935, 12945307870]

約数ペア:

[(1, 12945307870), (2, 6472653935), (5, 2589061574), (10, 1294530787), (11, 1176846170), (22, 588423085), (55, 235369234), (110, 117684617), (211, 61352170), (422, 30676085), (1055, 12270434), (2110, 6135217), (2321, 5577470), (4642, 2788735), (11605, 1115494), (23210, 557747)]