2005778894

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{25847}}^1$

素因数の和:26120

約数の個数: 32

約数和(自身を含む): 3603004416

約数和(自身を除く): 1597225522

約数列:

[1, 2, 7, 14, 23, 46, 161, 241, 322, 482, 1687, 3374, 5543, 11086, 25847, 38801, 51694, 77602, 180929, 361858, 594481, 1188962, 4161367, 6229127, 8322734, 12458254, 43603889, 87207778, 143269921, 286539842, 1002889447, 2005778894]

約数ペア:

[(1, 2005778894), (2, 1002889447), (7, 286539842), (14, 143269921), (23, 87207778), (46, 43603889), (161, 12458254), (241, 8322734), (322, 6229127), (482, 4161367), (1687, 1188962), (3374, 594481), (5543, 361858), (11086, 180929), (25847, 77602), (38801, 51694)]