118977781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 143700480

約数和(自身を除く): 24722699

約数列:

[1, 13, 17, 23, 89, 221, 263, 299, 391, 1157, 1513, 2047, 3419, 4471, 5083, 6049, 19669, 23407, 26611, 34799, 58123, 78637, 102833, 304291, 397919, 452387, 538361, 1336829, 5172947, 6998693, 9152137, 118977781]

約数ペア:

[(1, 118977781), (13, 9152137), (17, 6998693), (23, 5172947), (89, 1336829), (221, 538361), (263, 452387), (299, 397919), (391, 304291), (1157, 102833), (1513, 78637), (2047, 58123), (3419, 34799), (4471, 26611), (5083, 23407), (6049, 19669)]