290430238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1091843}}^1$

素因数の和:1091871

約数の個数: 16

約数和(自身を含む): 524085120

約数和(自身を除く): 233654882

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 1091843, 2183686, 7642901, 15285802, 20745017, 41490034, 145215119, 290430238]

約数ペア:

[(1, 290430238), (2, 145215119), (7, 41490034), (14, 20745017), (19, 15285802), (38, 7642901), (133, 2183686), (266, 1091843)]