217420424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{72089}}^1$

素因数の和:72137

約数の個数: 32

約数和(自身を含む): 454167000

約数和(自身を除く): 236746576

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 72089, 144178, 288356, 576712, 937157, 1874314, 2090581, 3748628, 4181162, 7497256, 8362324, 16724648, 27177553, 54355106, 108710212, 217420424]

約数ペア:

[(1, 217420424), (2, 108710212), (4, 54355106), (8, 27177553), (13, 16724648), (26, 8362324), (29, 7497256), (52, 4181162), (58, 3748628), (104, 2090581), (116, 1874314), (232, 937157), (377, 576712), (754, 288356), (1508, 144178), (3016, 72089)]