813566

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 24

約数和(自身を含む): 1383480

約数和(自身を除く): 569914

約数列:

[1, 2, 13, 26, 29, 58, 83, 166, 169, 338, 377, 754, 1079, 2158, 2407, 4814, 4901, 9802, 14027, 28054, 31291, 62582, 406783, 813566]

約数ペア:

[(1, 813566), (2, 406783), (13, 62582), (26, 31291), (29, 28054), (58, 14027), (83, 9802), (166, 4901), (169, 4814), (338, 2407), (377, 2158), (754, 1079)]