12987754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 22498560

約数和(自身を除く): 9510806

約数列:

[1, 2, 13, 19, 26, 38, 61, 122, 247, 431, 494, 793, 862, 1159, 1586, 2318, 5603, 8189, 11206, 15067, 16378, 26291, 30134, 52582, 106457, 212914, 341783, 499529, 683566, 999058, 6493877, 12987754]

約数ペア:

[(1, 12987754), (2, 6493877), (13, 999058), (19, 683566), (26, 499529), (38, 341783), (61, 212914), (122, 106457), (247, 52582), (431, 30134), (494, 26291), (793, 16378), (862, 15067), (1159, 11206), (1586, 8189), (2318, 5603)]