39990412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 87913728

約数和(自身を除く): 47923316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 157, 308, 314, 628, 827, 1099, 1654, 1727, 2198, 3308, 3454, 4396, 5789, 6908, 9097, 11578, 12089, 18194, 23156, 24178, 36388, 48356, 63679, 127358, 129839, 254716, 259678, 519356, 908873, 1428229, 1817746, 2856458, 3635492, 5712916, 9997603, 19995206, 39990412]

約数ペア:

[(1, 39990412), (2, 19995206), (4, 9997603), (7, 5712916), (11, 3635492), (14, 2856458), (22, 1817746), (28, 1428229), (44, 908873), (77, 519356), (154, 259678), (157, 254716), (308, 129839), (314, 127358), (628, 63679), (827, 48356), (1099, 36388), (1654, 24178), (1727, 23156), (2198, 18194), (3308, 12089), (3454, 11578), (4396, 9097), (5789, 6908)]