78752890

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 144426240

約数和(自身を除く): 65673350

約数列:

[1, 2, 5, 10, 83, 166, 239, 397, 415, 478, 794, 830, 1195, 1985, 2390, 3970, 19837, 32951, 39674, 65902, 94883, 99185, 164755, 189766, 198370, 329510, 474415, 948830, 7875289, 15750578, 39376445, 78752890]

約数ペア:

[(1, 78752890), (2, 39376445), (5, 15750578), (10, 7875289), (83, 948830), (166, 474415), (239, 329510), (397, 198370), (415, 189766), (478, 164755), (794, 99185), (830, 94883), (1195, 65902), (1985, 39674), (2390, 32951), (3970, 19837)]