78209516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{937}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 171451392

約数和(自身を除く): 93241876

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 271, 308, 542, 937, 1084, 1874, 1897, 2981, 3748, 3794, 5962, 6559, 7588, 10307, 11924, 13118, 20614, 20867, 26236, 41228, 41734, 72149, 83468, 144298, 253927, 288596, 507854, 1015708, 1777489, 2793197, 3554978, 5586394, 7109956, 11172788, 19552379, 39104758, 78209516]

約数ペア:

[(1, 78209516), (2, 39104758), (4, 19552379), (7, 11172788), (11, 7109956), (14, 5586394), (22, 3554978), (28, 2793197), (44, 1777489), (77, 1015708), (154, 507854), (271, 288596), (308, 253927), (542, 144298), (937, 83468), (1084, 72149), (1874, 41734), (1897, 41228), (2981, 26236), (3748, 20867), (3794, 20614), (5962, 13118), (6559, 11924), (7588, 10307)]