399133072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{112877}}^1$

素因数の和:112915

約数の個数: 40

約数和(自身を含む): 881802936

約数和(自身を除く): 482669864

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 112877, 225754, 451508, 903016, 1467401, 1806032, 1918909, 2934802, 3837818, 5869604, 7675636, 11739208, 15351272, 23478416, 24945817, 30702544, 49891634, 99783268, 199566536, 399133072]

約数ペア:

[(1, 399133072), (2, 199566536), (4, 99783268), (8, 49891634), (13, 30702544), (16, 24945817), (17, 23478416), (26, 15351272), (34, 11739208), (52, 7675636), (68, 5869604), (104, 3837818), (136, 2934802), (208, 1918909), (221, 1806032), (272, 1467401), (442, 903016), (884, 451508), (1768, 225754), (3536, 112877)]