123581471

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{907}}^1$

素因数の和:1190

約数の個数: 16

約数和(自身を含む): 136679424

約数和(自身を除く): 13097953

約数列:

[1, 13, 47, 223, 611, 907, 2899, 10481, 11791, 42629, 136253, 202261, 554177, 2629393, 9506267, 123581471]

約数ペア:

[(1, 123581471), (13, 9506267), (47, 2629393), (223, 554177), (611, 202261), (907, 136253), (2899, 42629), (10481, 11791)]