25812420815

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{317}}^1\times {\mathrm{1523}}^1$

素因数の和:1916

約数の個数: 48

約数和(自身を含む): 33922301472

約数和(自身を除く): 8109880657

約数列:

[1, 5, 17, 37, 85, 185, 289, 317, 629, 1445, 1523, 1585, 3145, 5389, 7615, 10693, 11729, 25891, 26945, 53465, 56351, 58645, 91613, 129455, 199393, 281755, 440147, 458065, 482791, 957967, 996965, 2200735, 2413955, 3389681, 4789835, 8207447, 16285439, 16948405, 17863267, 41037235, 81427195, 89316335, 139526599, 303675539, 697632995, 1518377695, 5162484163, 25812420815]

約数ペア:

[(1, 25812420815), (5, 5162484163), (17, 1518377695), (37, 697632995), (85, 303675539), (185, 139526599), (289, 89316335), (317, 81427195), (629, 41037235), (1445, 17863267), (1523, 16948405), (1585, 16285439), (3145, 8207447), (5389, 4789835), (7615, 3389681), (10693, 2413955), (11729, 2200735), (25891, 996965), (26945, 957967), (53465, 482791), (56351, 458065), (58645, 440147), (91613, 281755), (129455, 199393)]