28178462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 46976160

約数和(自身を除く): 18797698

約数列:

[1, 2, 13, 26, 61, 109, 122, 163, 218, 326, 793, 1417, 1586, 2119, 2834, 4238, 6649, 9943, 13298, 17767, 19886, 35534, 86437, 129259, 172874, 230971, 258518, 461942, 1083787, 2167574, 14089231, 28178462]

約数ペア:

[(1, 28178462), (2, 14089231), (13, 2167574), (26, 1083787), (61, 461942), (109, 258518), (122, 230971), (163, 172874), (218, 129259), (326, 86437), (793, 35534), (1417, 19886), (1586, 17767), (2119, 13298), (2834, 9943), (4238, 6649)]