800918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 16

約数和(自身を含む): 1256640

約数和(自身を除く): 455722

約数列:

[1, 2, 43, 67, 86, 134, 139, 278, 2881, 5762, 5977, 9313, 11954, 18626, 400459, 800918]

約数ペア:

[(1, 800918), (2, 400459), (43, 18626), (67, 11954), (86, 9313), (134, 5977), (139, 5762), (278, 2881)]