65420990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{344321}}^1$

素因数の和:344347

約数の個数: 16

約数和(自身を含む): 123955920

約数和(自身を除く): 58534930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 344321, 688642, 1721605, 3443210, 6542099, 13084198, 32710495, 65420990]

約数ペア:

[(1, 65420990), (2, 32710495), (5, 13084198), (10, 6542099), (19, 3443210), (38, 1721605), (95, 688642), (190, 344321)]