31915352

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 72576000

約数和(自身を除く): 40660648

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 71, 92, 142, 161, 184, 284, 322, 349, 497, 568, 644, 698, 994, 1288, 1396, 1633, 1988, 2443, 2792, 3266, 3976, 4886, 6532, 8027, 9772, 11431, 13064, 16054, 19544, 22862, 24779, 32108, 45724, 49558, 56189, 64216, 91448, 99116, 112378, 173453, 198232, 224756, 346906, 449512, 569917, 693812, 1139834, 1387624, 2279668, 3989419, 4559336, 7978838, 15957676, 31915352]

約数ペア:

[(1, 31915352), (2, 15957676), (4, 7978838), (7, 4559336), (8, 3989419), (14, 2279668), (23, 1387624), (28, 1139834), (46, 693812), (56, 569917), (71, 449512), (92, 346906), (142, 224756), (161, 198232), (184, 173453), (284, 112378), (322, 99116), (349, 91448), (497, 64216), (568, 56189), (644, 49558), (698, 45724), (994, 32108), (1288, 24779), (1396, 22862), (1633, 19544), (1988, 16054), (2443, 13064), (2792, 11431), (3266, 9772), (3976, 8027), (4886, 6532)]