128107154

素因数分解:

$2^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{20023}}^1$

素因数の和:20489

約数の個数: 16

約数和(自身を含む): 220103808

約数和(自身を除く): 91996654

約数列:

[1, 2, 7, 14, 457, 914, 3199, 6398, 20023, 40046, 140161, 280322, 9150511, 18301022, 64053577, 128107154]

約数ペア:

[(1, 128107154), (2, 64053577), (7, 18301022), (14, 9150511), (457, 280322), (914, 140161), (3199, 40046), (6398, 20023)]