15991252

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 28957824

約数和(自身を除く): 12966572

約数列:

[1, 2, 4, 37, 74, 148, 167, 334, 647, 668, 1294, 2588, 6179, 12358, 23939, 24716, 47878, 95756, 108049, 216098, 432196, 3997813, 7995626, 15991252]

約数ペア:

[(1, 15991252), (2, 7995626), (4, 3997813), (37, 432196), (74, 216098), (148, 108049), (167, 95756), (334, 47878), (647, 24716), (668, 23939), (1294, 12358), (2588, 6179)]