31899448

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^2\times {\mathrm{113}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 69945840

約数和(自身を除く): 38046392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 113, 142, 226, 284, 452, 497, 568, 791, 904, 994, 1582, 1988, 3164, 3976, 5041, 6328, 8023, 10082, 16046, 20164, 32092, 35287, 40328, 56161, 64184, 70574, 112322, 141148, 224644, 282296, 449288, 569633, 1139266, 2278532, 3987431, 4557064, 7974862, 15949724, 31899448]

約数ペア:

[(1, 31899448), (2, 15949724), (4, 7974862), (7, 4557064), (8, 3987431), (14, 2278532), (28, 1139266), (56, 569633), (71, 449288), (113, 282296), (142, 224644), (226, 141148), (284, 112322), (452, 70574), (497, 64184), (568, 56161), (791, 40328), (904, 35287), (994, 32092), (1582, 20164), (1988, 16046), (3164, 10082), (3976, 8023), (5041, 6328)]