28027978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19872182

約数列:

[1, 2, 11, 22, 29, 58, 197, 223, 319, 394, 446, 638, 2167, 2453, 4334, 4906, 5713, 6467, 11426, 12934, 43931, 62843, 71137, 87862, 125686, 142274, 483241, 966482, 1273999, 2547998, 14013989, 28027978]

約数ペア:

[(1, 28027978), (2, 14013989), (11, 2547998), (22, 1273999), (29, 966482), (58, 483241), (197, 142274), (223, 125686), (319, 87862), (394, 71137), (446, 62843), (638, 43931), (2167, 12934), (2453, 11426), (4334, 6467), (4906, 5713)]