664654846

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1\times {\mathrm{16091}}^1$

素因数の和:17199

約数の個数: 16

約数和(自身を含む): 1050485760

約数和(自身を除く): 385830914

約数列:

[1, 2, 19, 38, 1087, 2174, 16091, 20653, 32182, 41306, 305729, 611458, 17490917, 34981834, 332327423, 664654846]

約数ペア:

[(1, 664654846), (2, 332327423), (19, 34981834), (38, 17490917), (1087, 611458), (2174, 305729), (16091, 41306), (20653, 32182)]