40305818

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{21977}}^1$

素因数の和:22117

約数の個数: 16

約数和(自身を含む): 69626304

約数和(自身を除く): 29320486

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 21977, 43954, 153839, 307678, 2878987, 5757974, 20152909, 40305818]

約数ペア:

[(1, 40305818), (2, 20152909), (7, 5757974), (14, 2878987), (131, 307678), (262, 153839), (917, 43954), (1834, 21977)]