161608489

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^2\times {\mathrm{139}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 193945920

約数和(自身を除く): 32337431

約数列:

[1, 7, 37, 67, 139, 259, 469, 973, 2479, 4489, 5143, 9313, 17353, 31423, 36001, 65191, 166093, 344581, 623971, 1162651, 2412067, 4367797, 23086927, 161608489]

約数ペア:

[(1, 161608489), (7, 23086927), (37, 4367797), (67, 2412067), (139, 1162651), (259, 623971), (469, 344581), (973, 166093), (2479, 65191), (4489, 36001), (5143, 31423), (9313, 17353)]