7958730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20407}}^1$

素因数の和:20430

約数の個数: 32

約数和(自身を含む): 20571264

約数和(自身を除く): 12612534

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 20407, 40814, 61221, 102035, 122442, 204070, 265291, 306105, 530582, 612210, 795873, 1326455, 1591746, 2652910, 3979365, 7958730]

約数ペア:

[(1, 7958730), (2, 3979365), (3, 2652910), (5, 1591746), (6, 1326455), (10, 795873), (13, 612210), (15, 530582), (26, 306105), (30, 265291), (39, 204070), (65, 122442), (78, 102035), (130, 61221), (195, 40814), (390, 20407)]