663920090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{609101}}^1$

素因数の和:609217

約数の個数: 16

約数和(自身を含む): 1206021960

約数和(自身を除く): 542101870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 609101, 1218202, 3045505, 6091010, 66392009, 132784018, 331960045, 663920090]

約数ペア:

[(1, 663920090), (2, 331960045), (5, 132784018), (10, 66392009), (109, 6091010), (218, 3045505), (545, 1218202), (1090, 609101)]