15905012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 28828800

約数和(自身を除く): 12923788

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1039, 2078, 3827, 4156, 7654, 15308, 44677, 89354, 92471, 178708, 184942, 369884, 3976253, 7952506, 15905012]

約数ペア:

[(1, 15905012), (2, 7952506), (4, 3976253), (43, 369884), (86, 184942), (89, 178708), (172, 92471), (178, 89354), (356, 44677), (1039, 15308), (2078, 7654), (3827, 4156)]