647576996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1337969}}^1$

素因数の和:1337995

約数の個数: 18

約数和(自身を含む): 1245650070

約数和(自身を除く): 598073074

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1337969, 2675938, 5351876, 14717659, 29435318, 58870636, 161894249, 323788498, 647576996]

約数ペア:

[(1, 647576996), (2, 323788498), (4, 161894249), (11, 58870636), (22, 29435318), (44, 14717659), (121, 5351876), (242, 2675938), (484, 1337969)]