640980026

素因数分解:

$2^1\times {\mathrm{179}}^1\times {\mathrm{853}}^1\times {\mathrm{2099}}^1$

素因数の和:3133

約数の個数: 16

約数和(自身を含む): 968436000

約数和(自身を除く): 327455974

約数列:

[1, 2, 179, 358, 853, 1706, 2099, 4198, 152687, 305374, 375721, 751442, 1790447, 3580894, 320490013, 640980026]

約数ペア:

[(1, 640980026), (2, 320490013), (179, 3580894), (358, 1790447), (853, 751442), (1706, 375721), (2099, 305374), (4198, 152687)]