9972404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 20638800

約数和(自身を除く): 10666396

約数列:

[1, 2, 4, 13, 17, 26, 29, 34, 52, 58, 68, 116, 221, 377, 389, 442, 493, 754, 778, 884, 986, 1508, 1556, 1972, 5057, 6409, 6613, 10114, 11281, 12818, 13226, 20228, 22562, 25636, 26452, 45124, 85969, 146653, 171938, 191777, 293306, 343876, 383554, 586612, 767108, 2493101, 4986202, 9972404]

約数ペア:

[(1, 9972404), (2, 4986202), (4, 2493101), (13, 767108), (17, 586612), (26, 383554), (29, 343876), (34, 293306), (52, 191777), (58, 171938), (68, 146653), (116, 85969), (221, 45124), (377, 26452), (389, 25636), (442, 22562), (493, 20228), (754, 13226), (778, 12818), (884, 11281), (986, 10114), (1508, 6613), (1556, 6409), (1972, 5057)]