90869768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{5189}}^1$

素因数の和:5405

約数の個数: 32

約数和(自身を含む): 186840000

約数和(自身を除く): 95970232

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1592, 2189, 4378, 5189, 8756, 10378, 17512, 20756, 41512, 57079, 114158, 228316, 456632, 1032611, 2065222, 4130444, 8260888, 11358721, 22717442, 45434884, 90869768]

約数ペア:

[(1, 90869768), (2, 45434884), (4, 22717442), (8, 11358721), (11, 8260888), (22, 4130444), (44, 2065222), (88, 1032611), (199, 456632), (398, 228316), (796, 114158), (1592, 57079), (2189, 41512), (4378, 20756), (5189, 17512), (8756, 10378)]