82661215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1307}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 123056640

約数和(自身を除く): 40395425

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 973, 1307, 1807, 4865, 6535, 9035, 9149, 12649, 16991, 45745, 63245, 84955, 118937, 181673, 594685, 908365, 1271711, 2361749, 6358555, 11808745, 16532243, 82661215]

約数ペア:

[(1, 82661215), (5, 16532243), (7, 11808745), (13, 6358555), (35, 2361749), (65, 1271711), (91, 908365), (139, 594685), (455, 181673), (695, 118937), (973, 84955), (1307, 63245), (1807, 45745), (4865, 16991), (6535, 12649), (9035, 9149)]