645249204

素因数分解:

$2^2\times 3^2\times {\mathrm{17923589}}^1$

素因数の和:17923599

約数の個数: 18

約数和(自身を含む): 1631046690

約数和(自身を除く): 985797486

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 17923589, 35847178, 53770767, 71694356, 107541534, 161312301, 215083068, 322624602, 645249204]

約数ペア:

[(1, 645249204), (2, 322624602), (3, 215083068), (4, 161312301), (6, 107541534), (9, 71694356), (12, 53770767), (18, 35847178), (36, 17923589)]