161987924

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{3191}}^1$

素因数の和:3253

約数の個数: 48

約数和(自身を含む): 339628800

約数和(自身を除く): 177640876

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1813, 3191, 3626, 6382, 7252, 12691, 12764, 22337, 25382, 44674, 50764, 89348, 118067, 156359, 236134, 312718, 472268, 625436, 826469, 1094513, 1652938, 2189026, 3305876, 4378052, 5785283, 11570566, 23141132, 40496981, 80993962, 161987924]

約数ペア:

[(1, 161987924), (2, 80993962), (4, 40496981), (7, 23141132), (14, 11570566), (28, 5785283), (37, 4378052), (49, 3305876), (74, 2189026), (98, 1652938), (148, 1094513), (196, 826469), (259, 625436), (343, 472268), (518, 312718), (686, 236134), (1036, 156359), (1372, 118067), (1813, 89348), (3191, 50764), (3626, 44674), (6382, 25382), (7252, 22337), (12691, 12764)]