789778690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:823

約数の個数: 64

約数和(自身を含む): 1555301088

約数和(自身を除く): 765522398

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 241, 370, 482, 521, 629, 1042, 1205, 1258, 2410, 2605, 3145, 4097, 5210, 6290, 8194, 8857, 8917, 17714, 17834, 19277, 20485, 38554, 40970, 44285, 44585, 88570, 89170, 96385, 125561, 151589, 192770, 251122, 303178, 327709, 627805, 655418, 757945, 1255610, 1515890, 1638545, 2134537, 3277090, 4269074, 4645757, 9291514, 10672685, 21345370, 23228785, 46457570, 78977869, 157955738, 394889345, 789778690]

約数ペア:

[(1, 789778690), (2, 394889345), (5, 157955738), (10, 78977869), (17, 46457570), (34, 23228785), (37, 21345370), (74, 10672685), (85, 9291514), (170, 4645757), (185, 4269074), (241, 3277090), (370, 2134537), (482, 1638545), (521, 1515890), (629, 1255610), (1042, 757945), (1205, 655418), (1258, 627805), (2410, 327709), (2605, 303178), (3145, 251122), (4097, 192770), (5210, 151589), (6290, 125561), (8194, 96385), (8857, 89170), (8917, 88570), (17714, 44585), (17834, 44285), (19277, 40970), (20485, 38554)]