8380838

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:631

約数の個数: 16

約数和(自身を含む): 12867120

約数和(自身を除く): 4486282

約数列:

[1, 2, 73, 137, 146, 274, 419, 838, 10001, 20002, 30587, 57403, 61174, 114806, 4190419, 8380838]

約数ペア:

[(1, 8380838), (2, 4190419), (73, 114806), (137, 61174), (146, 57403), (274, 30587), (419, 20002), (838, 10001)]