123891004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{5231}}^1$

素因数の和:5457

約数の個数: 24

約数和(自身を含む): 225017856

約数和(自身を除く): 101126852

約数列:

[1, 2, 4, 31, 62, 124, 191, 382, 764, 5231, 5921, 10462, 11842, 20924, 23684, 162161, 324322, 648644, 999121, 1998242, 3996484, 30972751, 61945502, 123891004]

約数ペア:

[(1, 123891004), (2, 61945502), (4, 30972751), (31, 3996484), (62, 1998242), (124, 999121), (191, 648644), (382, 324322), (764, 162161), (5231, 23684), (5921, 20924), (10462, 11842)]