81712778

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{11839}}^1$

素因数の和:11894

約数の個数: 32

約数和(自身を含む): 153446400

約数和(自身を除く): 71733622

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 3451, 6902, 11839, 23678, 82873, 165746, 201263, 343331, 402526, 686662, 1408841, 2403317, 2817682, 4806634, 5836627, 11673254, 40856389, 81712778]

約数ペア:

[(1, 81712778), (2, 40856389), (7, 11673254), (14, 5836627), (17, 4806634), (29, 2817682), (34, 2403317), (58, 1408841), (119, 686662), (203, 402526), (238, 343331), (406, 201263), (493, 165746), (986, 82873), (3451, 23678), (6902, 11839)]