139405292

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{40013}}^1$

素因数の和:40097

約数の個数: 24

約数和(自身を含む): 266653296

約数和(自身を除く): 127248004

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 40013, 80026, 160052, 520169, 1040338, 2080676, 2680871, 5361742, 10723484, 34851323, 69702646, 139405292]

約数ペア:

[(1, 139405292), (2, 69702646), (4, 34851323), (13, 10723484), (26, 5361742), (52, 2680871), (67, 2080676), (134, 1040338), (268, 520169), (871, 160052), (1742, 80026), (3484, 40013)]