645306

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 1302048

約数和(自身を除く): 656742

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 821, 1642, 2463, 4926, 107551, 215102, 322653, 645306]

約数ペア:

[(1, 645306), (2, 322653), (3, 215102), (6, 107551), (131, 4926), (262, 2463), (393, 1642), (786, 821)]