1291567121

素因数分解:

${\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 1420952544

約数和(自身を除く): 129385423

約数列:

[1, 13, 131, 169, 227, 257, 1703, 2951, 3341, 22139, 29737, 33667, 38363, 43433, 58339, 386581, 437671, 758407, 5025553, 5689723, 7642409, 9859291, 99351317, 1291567121]

約数ペア:

[(1, 1291567121), (13, 99351317), (131, 9859291), (169, 7642409), (227, 5689723), (257, 5025553), (1703, 758407), (2951, 437671), (3341, 386581), (22139, 58339), (29737, 43433), (33667, 38363)]