663247376

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{971}}^1\times {\mathrm{3881}}^1$

素因数の和:4871

約数の個数: 40

約数和(自身を含む): 1403669088

約数和(自身を除く): 740421712

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 971, 1942, 3881, 3884, 7762, 7768, 10681, 15524, 15536, 21362, 31048, 42691, 42724, 62096, 85382, 85448, 170764, 170896, 341528, 683056, 3768451, 7536902, 15073804, 30147608, 41452961, 60295216, 82905922, 165811844, 331623688, 663247376]

約数ペア:

[(1, 663247376), (2, 331623688), (4, 165811844), (8, 82905922), (11, 60295216), (16, 41452961), (22, 30147608), (44, 15073804), (88, 7536902), (176, 3768451), (971, 683056), (1942, 341528), (3881, 170896), (3884, 170764), (7762, 85448), (7768, 85382), (10681, 62096), (15524, 42724), (15536, 42691), (21362, 31048)]