315916984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1087}}^1\times {\mathrm{2137}}^1$

素因数の和:3247

約数の個数: 32

約数和(自身を含む): 628058880

約数和(自身を除く): 312141896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1087, 2137, 2174, 4274, 4348, 8548, 8696, 17096, 18479, 36329, 36958, 72658, 73916, 145316, 147832, 290632, 2322919, 4645838, 9291676, 18583352, 39489623, 78979246, 157958492, 315916984]

約数ペア:

[(1, 315916984), (2, 157958492), (4, 78979246), (8, 39489623), (17, 18583352), (34, 9291676), (68, 4645838), (136, 2322919), (1087, 290632), (2137, 147832), (2174, 145316), (4274, 73916), (4348, 72658), (8548, 36958), (8696, 36329), (17096, 18479)]