31213012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 56548800

約数和(自身を除く): 25335788

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 2039, 3827, 4078, 7654, 8156, 15308, 87677, 175354, 181471, 350708, 362942, 725884, 7803253, 15606506, 31213012]

約数ペア:

[(1, 31213012), (2, 15606506), (4, 7803253), (43, 725884), (86, 362942), (89, 350708), (172, 181471), (178, 175354), (356, 87677), (2039, 15308), (3827, 8156), (4078, 7654)]