16804568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 20520232

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 47, 68, 88, 94, 136, 187, 188, 239, 374, 376, 478, 517, 748, 799, 956, 1034, 1496, 1598, 1912, 2068, 2629, 3196, 4063, 4136, 5258, 6392, 8126, 8789, 10516, 11233, 16252, 17578, 21032, 22466, 32504, 35156, 44693, 44932, 70312, 89386, 89864, 123563, 178772, 190961, 247126, 357544, 381922, 494252, 763844, 988504, 1527688, 2100571, 4201142, 8402284, 16804568]

約数ペア:

[(1, 16804568), (2, 8402284), (4, 4201142), (8, 2100571), (11, 1527688), (17, 988504), (22, 763844), (34, 494252), (44, 381922), (47, 357544), (68, 247126), (88, 190961), (94, 178772), (136, 123563), (187, 89864), (188, 89386), (239, 70312), (374, 44932), (376, 44693), (478, 35156), (517, 32504), (748, 22466), (799, 21032), (956, 17578), (1034, 16252), (1496, 11233), (1598, 10516), (1912, 8789), (2068, 8126), (2629, 6392), (3196, 5258), (4063, 4136)]