197947748

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 365682240

約数和(自身を除く): 167734492

約数列:

[1, 2, 4, 43, 67, 86, 89, 134, 172, 178, 193, 268, 356, 386, 772, 2881, 3827, 5762, 5963, 7654, 8299, 11524, 11926, 12931, 15308, 16598, 17177, 23852, 25862, 33196, 34354, 51724, 68708, 256409, 512818, 556033, 738611, 1025636, 1112066, 1150859, 1477222, 2224132, 2301718, 2954444, 4603436, 49486937, 98973874, 197947748]

約数ペア:

[(1, 197947748), (2, 98973874), (4, 49486937), (43, 4603436), (67, 2954444), (86, 2301718), (89, 2224132), (134, 1477222), (172, 1150859), (178, 1112066), (193, 1025636), (268, 738611), (356, 556033), (386, 512818), (772, 256409), (2881, 68708), (3827, 51724), (5762, 34354), (5963, 33196), (7654, 25862), (8299, 23852), (11524, 17177), (11926, 16598), (12931, 15308)]