9979565548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{443}}^1\times {\mathrm{947}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 18503291520

約数和(自身を除く): 8523725972

約数列:

[1, 2, 4, 19, 38, 76, 313, 443, 626, 886, 947, 1252, 1772, 1894, 3788, 5947, 8417, 11894, 16834, 17993, 23788, 33668, 35986, 71972, 138659, 277318, 296411, 419521, 554636, 592822, 839042, 1185644, 1678084, 2634521, 5269042, 5631809, 7970899, 10538084, 11263618, 15941798, 22527236, 31883596, 131310073, 262620146, 525240292, 2494891387, 4989782774, 9979565548]

約数ペア:

[(1, 9979565548), (2, 4989782774), (4, 2494891387), (19, 525240292), (38, 262620146), (76, 131310073), (313, 31883596), (443, 22527236), (626, 15941798), (886, 11263618), (947, 10538084), (1252, 7970899), (1772, 5631809), (1894, 5269042), (3788, 2634521), (5947, 1678084), (8417, 1185644), (11894, 839042), (16834, 592822), (17993, 554636), (23788, 419521), (33668, 296411), (35986, 277318), (71972, 138659)]