123457961

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 147847680

約数和(自身を除く): 24389719

約数列:

[1, 11, 17, 61, 79, 137, 187, 671, 869, 1037, 1343, 1507, 2329, 4819, 8357, 10823, 11407, 14773, 25619, 53009, 81923, 91927, 119053, 142069, 183991, 660203, 901153, 1562759, 2023901, 7262233, 11223451, 123457961]

約数ペア:

[(1, 123457961), (11, 11223451), (17, 7262233), (61, 2023901), (79, 1562759), (137, 901153), (187, 660203), (671, 183991), (869, 142069), (1037, 119053), (1343, 91927), (1507, 81923), (2329, 53009), (4819, 25619), (8357, 14773), (10823, 11407)]