66961804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2591}}^1$

素因数の和:2686

約数の個数: 48

約数和(自身を含む): 146313216

約数和(自身を除く): 79351412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 71, 91, 142, 182, 284, 364, 497, 923, 994, 1846, 1988, 2591, 3692, 5182, 6461, 10364, 12922, 18137, 25844, 33683, 36274, 67366, 72548, 134732, 183961, 235781, 367922, 471562, 735844, 943124, 1287727, 2391493, 2575454, 4782986, 5150908, 9565972, 16740451, 33480902, 66961804]

約数ペア:

[(1, 66961804), (2, 33480902), (4, 16740451), (7, 9565972), (13, 5150908), (14, 4782986), (26, 2575454), (28, 2391493), (52, 1287727), (71, 943124), (91, 735844), (142, 471562), (182, 367922), (284, 235781), (364, 183961), (497, 134732), (923, 72548), (994, 67366), (1846, 36274), (1988, 33683), (2591, 25844), (3692, 18137), (5182, 12922), (6461, 10364)]