12581218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{5437}}^1$

素因数の和:5541

約数の個数: 16

約数和(自身を含む): 20555640

約数和(自身を除く): 7974422

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 5437, 10874, 70681, 141362, 483893, 967786, 6290609, 12581218]

約数ペア:

[(1, 12581218), (2, 6290609), (13, 967786), (26, 483893), (89, 141362), (178, 70681), (1157, 10874), (2314, 5437)]