40209218

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{8677}}^1$

素因数の和:9017

約数の個数: 16

約数和(自身を含む): 69146304

約数和(自身を除く): 28937086

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 8677, 17354, 60739, 121478, 2872087, 5744174, 20104609, 40209218]

約数ペア:

[(1, 40209218), (2, 20104609), (7, 5744174), (14, 2872087), (331, 121478), (662, 60739), (2317, 17354), (4634, 8677)]