40808638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{2441}}^1$

素因数の和:3099

約数の個数: 16

約数和(自身を含む): 66051216

約数和(自身を除く): 25242578

約数列:

[1, 2, 13, 26, 643, 1286, 2441, 4882, 8359, 16718, 31733, 63466, 1569563, 3139126, 20404319, 40808638]

約数ペア:

[(1, 40808638), (2, 20404319), (13, 3139126), (26, 1569563), (643, 63466), (1286, 31733), (2441, 16718), (4882, 8359)]