81915724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1129}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 167438880

約数和(自身を除く): 85523156

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 97, 187, 194, 374, 388, 748, 1067, 1129, 1649, 2134, 2258, 3298, 4268, 4516, 6596, 12419, 18139, 19193, 24838, 36278, 38386, 49676, 72556, 76772, 109513, 211123, 219026, 422246, 438052, 844492, 1204643, 1861721, 2409286, 3723442, 4818572, 7446884, 20478931, 40957862, 81915724]

約数ペア:

[(1, 81915724), (2, 40957862), (4, 20478931), (11, 7446884), (17, 4818572), (22, 3723442), (34, 2409286), (44, 1861721), (68, 1204643), (97, 844492), (187, 438052), (194, 422246), (374, 219026), (388, 211123), (748, 109513), (1067, 76772), (1129, 72556), (1649, 49676), (2134, 38386), (2258, 36278), (3298, 24838), (4268, 19193), (4516, 18139), (6596, 12419)]