12129988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2621}}^1$

素因数の和:2727

約数の個数: 24

約数和(自身を含む): 23126040

約数和(自身を除く): 10996052

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 2621, 4628, 5242, 10484, 34073, 68146, 136292, 233269, 466538, 933076, 3032497, 6064994, 12129988]

約数ペア:

[(1, 12129988), (2, 6064994), (4, 3032497), (13, 933076), (26, 466538), (52, 233269), (89, 136292), (178, 68146), (356, 34073), (1157, 10484), (2314, 5242), (2621, 4628)]