81741712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23117}}^1$

素因数の和:23155

約数の個数: 40

約数和(自身を含む): 180597816

約数和(自身を除く): 98856104

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 23117, 46234, 92468, 184936, 300521, 369872, 392989, 601042, 785978, 1202084, 1571956, 2404168, 3143912, 4808336, 5108857, 6287824, 10217714, 20435428, 40870856, 81741712]

約数ペア:

[(1, 81741712), (2, 40870856), (4, 20435428), (8, 10217714), (13, 6287824), (16, 5108857), (17, 4808336), (26, 3143912), (34, 2404168), (52, 1571956), (68, 1202084), (104, 785978), (136, 601042), (208, 392989), (221, 369872), (272, 300521), (442, 184936), (884, 92468), (1768, 46234), (3536, 23117)]