131906590

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{32251}}^1$

素因数の和:32667

約数の個数: 16

約数和(自身を含む): 238019760

約数和(自身を除く): 106113170

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 32251, 64502, 161255, 322510, 13190659, 26381318, 65953295, 131906590]

約数ペア:

[(1, 131906590), (2, 65953295), (5, 26381318), (10, 13190659), (409, 322510), (818, 161255), (2045, 64502), (4090, 32251)]