309716615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 407937600

約数和(自身を除く): 98220985

約数列:

[1, 5, 13, 65, 113, 149, 283, 565, 745, 1415, 1469, 1937, 3679, 7345, 9685, 16837, 18395, 31979, 42167, 84185, 159895, 210835, 218881, 415727, 548171, 1094405, 2078635, 2740855, 4764871, 23824355, 61943323, 309716615]

約数ペア:

[(1, 309716615), (5, 61943323), (13, 23824355), (65, 4764871), (113, 2740855), (149, 2078635), (283, 1094405), (565, 548171), (745, 415727), (1415, 218881), (1469, 210835), (1937, 159895), (3679, 84185), (7345, 42167), (9685, 31979), (16837, 18395)]