161866510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^2$

素因数の和:194

約数の個数: 72

約数和(自身を含む): 336844440

約数和(自身を除く): 174977930

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 169, 190, 247, 338, 355, 494, 710, 845, 923, 1235, 1349, 1690, 1846, 2470, 2698, 3211, 4615, 5041, 6422, 6745, 9230, 10082, 11999, 13490, 16055, 17537, 23998, 25205, 32110, 35074, 50410, 59995, 65533, 87685, 95779, 119990, 131066, 175370, 191558, 227981, 327665, 455962, 478895, 655330, 851929, 957790, 1139905, 1245127, 1703858, 2279810, 2490254, 4259645, 6225635, 8519290, 12451270, 16186651, 32373302, 80933255, 161866510]

約数ペア:

[(1, 161866510), (2, 80933255), (5, 32373302), (10, 16186651), (13, 12451270), (19, 8519290), (26, 6225635), (38, 4259645), (65, 2490254), (71, 2279810), (95, 1703858), (130, 1245127), (142, 1139905), (169, 957790), (190, 851929), (247, 655330), (338, 478895), (355, 455962), (494, 327665), (710, 227981), (845, 191558), (923, 175370), (1235, 131066), (1349, 119990), (1690, 95779), (1846, 87685), (2470, 65533), (2698, 59995), (3211, 50410), (4615, 35074), (5041, 32110), (6422, 25205), (6745, 23998), (9230, 17537), (10082, 16055), (11999, 13490)]