208159419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^2$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 321541920

約数和(自身を除く): 113382501

約数列:

[1, 3, 13, 29, 39, 41, 67, 87, 123, 201, 377, 533, 871, 1131, 1189, 1599, 1943, 2613, 2747, 3567, 4489, 5829, 8241, 13467, 15457, 25259, 35711, 46371, 58357, 75777, 79663, 107133, 130181, 175071, 184049, 238989, 390543, 552147, 1035619, 1692353, 2392637, 3106857, 5077059, 5337421, 7177911, 16012263, 69386473, 208159419]

約数ペア:

[(1, 208159419), (3, 69386473), (13, 16012263), (29, 7177911), (39, 5337421), (41, 5077059), (67, 3106857), (87, 2392637), (123, 1692353), (201, 1035619), (377, 552147), (533, 390543), (871, 238989), (1131, 184049), (1189, 175071), (1599, 130181), (1943, 107133), (2613, 79663), (2747, 75777), (3567, 58357), (4489, 46371), (5829, 35711), (8241, 25259), (13467, 15457)]