1720782007

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 2252132352

約数和(自身を除く): 531350345

約数列:

[1, 7, 17, 23, 31, 119, 161, 217, 289, 391, 527, 713, 1193, 2023, 2737, 3689, 4991, 6647, 8351, 8959, 12121, 20281, 27439, 36983, 46529, 62713, 84847, 141967, 192073, 206057, 258881, 344777, 466463, 628711, 850609, 1442399, 2413439, 3265241, 4400977, 5954263, 7929871, 10688087, 14460353, 55509097, 74816609, 101222471, 245826001, 1720782007]

約数ペア:

[(1, 1720782007), (7, 245826001), (17, 101222471), (23, 74816609), (31, 55509097), (119, 14460353), (161, 10688087), (217, 7929871), (289, 5954263), (391, 4400977), (527, 3265241), (713, 2413439), (1193, 1442399), (2023, 850609), (2737, 628711), (3689, 466463), (4991, 344777), (6647, 258881), (8351, 206057), (8959, 192073), (12121, 141967), (20281, 84847), (27439, 62713), (36983, 46529)]