61808978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 121430016

約数和(自身を除く): 59621038

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 107, 121, 154, 214, 217, 242, 341, 434, 682, 749, 847, 1177, 1331, 1498, 1694, 2354, 2387, 2662, 3317, 3751, 4774, 6634, 7502, 8239, 9317, 12947, 16478, 18634, 23219, 25894, 26257, 36487, 41261, 46438, 52514, 72974, 82522, 90629, 142417, 181258, 255409, 284834, 288827, 401357, 510818, 577654, 802714, 996919, 1993838, 2809499, 4414927, 5618998, 8829854, 30904489, 61808978]

約数ペア:

[(1, 61808978), (2, 30904489), (7, 8829854), (11, 5618998), (14, 4414927), (22, 2809499), (31, 1993838), (62, 996919), (77, 802714), (107, 577654), (121, 510818), (154, 401357), (214, 288827), (217, 284834), (242, 255409), (341, 181258), (434, 142417), (682, 90629), (749, 82522), (847, 72974), (1177, 52514), (1331, 46438), (1498, 41261), (1694, 36487), (2354, 26257), (2387, 25894), (2662, 23219), (3317, 18634), (3751, 16478), (4774, 12947), (6634, 9317), (7502, 8239)]