1280419664

素因数分解:

$2^4\times {\mathrm{379}}^1\times {\mathrm{211151}}^1$

素因数の和:211538

約数の個数: 20

約数和(自身を含む): 2487370560

約数和(自身を除く): 1206950896

約数列:

[1, 2, 4, 8, 16, 379, 758, 1516, 3032, 6064, 211151, 422302, 844604, 1689208, 3378416, 80026229, 160052458, 320104916, 640209832, 1280419664]

約数ペア:

[(1, 1280419664), (2, 640209832), (4, 320104916), (8, 160052458), (16, 80026229), (379, 3378416), (758, 1689208), (1516, 844604), (3032, 422302), (6064, 211151)]