12561428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4261}}^1$

素因数の和:4343

約数の個数: 24

約数和(自身を含む): 24344544

約数和(自身を除く): 11783116

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 4261, 8522, 17044, 46871, 93742, 187484, 285487, 570974, 1141948, 3140357, 6280714, 12561428]

約数ペア:

[(1, 12561428), (2, 6280714), (4, 3140357), (11, 1141948), (22, 570974), (44, 285487), (67, 187484), (134, 93742), (268, 46871), (737, 17044), (1474, 8522), (2948, 4261)]