128974937

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 169247232

約数和(自身を除く): 40272295

約数列:

[1, 7, 13, 17, 91, 119, 221, 263, 317, 1547, 1841, 2219, 3419, 4121, 4471, 5389, 23933, 28847, 31297, 37723, 58123, 70057, 83371, 406861, 490399, 583597, 1083823, 1417307, 7586761, 9921149, 18424991, 128974937]

約数ペア:

[(1, 128974937), (7, 18424991), (13, 9921149), (17, 7586761), (91, 1417307), (119, 1083823), (221, 583597), (263, 490399), (317, 406861), (1547, 83371), (1841, 70057), (2219, 58123), (3419, 37723), (4121, 31297), (4471, 28847), (5389, 23933)]