28398864

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 80244864

約数和(自身を除く): 51846000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 312, 426, 568, 624, 641, 852, 923, 1136, 1282, 1704, 1846, 1923, 2564, 2769, 3408, 3692, 3846, 5128, 5538, 7384, 7692, 8333, 10256, 11076, 14768, 15384, 16666, 22152, 24999, 30768, 33332, 44304, 45511, 49998, 66664, 91022, 99996, 133328, 136533, 182044, 199992, 273066, 364088, 399984, 546132, 591643, 728176, 1092264, 1183286, 1774929, 2184528, 2366572, 3549858, 4733144, 7099716, 9466288, 14199432, 28398864]

約数ペア:

[(1, 28398864), (2, 14199432), (3, 9466288), (4, 7099716), (6, 4733144), (8, 3549858), (12, 2366572), (13, 2184528), (16, 1774929), (24, 1183286), (26, 1092264), (39, 728176), (48, 591643), (52, 546132), (71, 399984), (78, 364088), (104, 273066), (142, 199992), (156, 182044), (208, 136533), (213, 133328), (284, 99996), (312, 91022), (426, 66664), (568, 49998), (624, 45511), (641, 44304), (852, 33332), (923, 30768), (1136, 24999), (1282, 22152), (1704, 16666), (1846, 15384), (1923, 14768), (2564, 11076), (2769, 10256), (3408, 8333), (3692, 7692), (3846, 7384), (5128, 5538)]