390349835

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{911}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 503610048

約数和(自身を除く): 113260213

約数列:

[1, 5, 17, 71, 85, 355, 911, 1207, 4555, 5041, 6035, 15487, 25205, 64681, 77435, 85697, 323405, 428485, 1099577, 4592351, 5497885, 22961755, 78069967, 390349835]

約数ペア:

[(1, 390349835), (5, 78069967), (17, 22961755), (71, 5497885), (85, 4592351), (355, 1099577), (911, 428485), (1207, 323405), (4555, 85697), (5041, 77435), (6035, 64681), (15487, 25205)]