1281742

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 48

約数和(自身を含む): 2585520

約数和(自身を除く): 1303778

約数列:

[1, 2, 7, 11, 14, 22, 29, 41, 49, 58, 77, 82, 98, 154, 203, 287, 319, 406, 451, 539, 574, 638, 902, 1078, 1189, 1421, 2009, 2233, 2378, 2842, 3157, 4018, 4466, 6314, 8323, 13079, 15631, 16646, 22099, 26158, 31262, 44198, 58261, 91553, 116522, 183106, 640871, 1281742]

約数ペア:

[(1, 1281742), (2, 640871), (7, 183106), (11, 116522), (14, 91553), (22, 58261), (29, 44198), (41, 31262), (49, 26158), (58, 22099), (77, 16646), (82, 15631), (98, 13079), (154, 8323), (203, 6314), (287, 4466), (319, 4018), (406, 3157), (451, 2842), (539, 2378), (574, 2233), (638, 2009), (902, 1421), (1078, 1189)]