1320235984502

素因数分解:

$2^1\times {\mathrm{4001}}^1\times {\mathrm{17099}}^1\times {\mathrm{9649}}^1$

素因数の和:30751

約数の個数: 16

約数和(自身を含む): 1981170090000

約数和(自身を除く): 660934105498

約数列:

[1, 2, 4001, 8002, 9649, 17099, 19298, 34198, 38605649, 68413099, 77211298, 136826198, 164988251, 329976502, 660117992251, 1320235984502]

約数ペア:

[(1, 1320235984502), (2, 660117992251), (4001, 329976502), (8002, 164988251), (9649, 136826198), (17099, 77211298), (19298, 68413099), (34198, 38605649)]