331343285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{887}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 490516992

約数和(自身を除く): 159173707

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 821, 887, 4105, 4435, 5747, 6209, 10673, 11531, 28735, 31045, 53365, 57655, 74711, 80717, 373555, 403585, 728227, 3641135, 5097589, 9466951, 25487945, 47334755, 66268657, 331343285]

約数ペア:

[(1, 331343285), (5, 66268657), (7, 47334755), (13, 25487945), (35, 9466951), (65, 5097589), (91, 3641135), (455, 728227), (821, 403585), (887, 373555), (4105, 80717), (4435, 74711), (5747, 57655), (6209, 53365), (10673, 31045), (11531, 28735)]