389635603

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{22027}}^1$

素因数の和:22079

約数の個数: 18

約数和(自身を含む): 478382076

約数和(自身を除く): 88746473

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 22027, 154189, 418513, 1079323, 2929591, 7951747, 20507137, 55662229, 389635603]

約数ペア:

[(1, 389635603), (7, 55662229), (19, 20507137), (49, 7951747), (133, 2929591), (361, 1079323), (931, 418513), (2527, 154189), (17689, 22027)]