15915848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3559}}^1$

素因数の和:3621

約数の個数: 32

約数和(自身を含む): 32894400

約数和(自身を除く): 16978552

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 3559, 4472, 7118, 14236, 28472, 46267, 92534, 153037, 185068, 306074, 370136, 612148, 1224296, 1989481, 3978962, 7957924, 15915848]

約数ペア:

[(1, 15915848), (2, 7957924), (4, 3978962), (8, 1989481), (13, 1224296), (26, 612148), (43, 370136), (52, 306074), (86, 185068), (104, 153037), (172, 92534), (344, 46267), (559, 28472), (1118, 14236), (2236, 7118), (3559, 4472)]