28267195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 10716485

約数列:

[1, 5, 11, 31, 55, 59, 155, 281, 295, 341, 649, 1405, 1705, 1829, 3091, 3245, 8711, 9145, 15455, 16579, 20119, 43555, 82895, 95821, 100595, 182369, 479105, 513949, 911845, 2569745, 5653439, 28267195]

約数ペア:

[(1, 28267195), (5, 5653439), (11, 2569745), (31, 911845), (55, 513949), (59, 479105), (155, 182369), (281, 100595), (295, 95821), (341, 82895), (649, 43555), (1405, 20119), (1705, 16579), (1829, 15455), (3091, 9145), (3245, 8711)]