28105778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{1997}}^1$

素因数の和:2257

約数の個数: 16

約数和(自身を含む): 43732224

約数和(自身を除く): 15626446

約数列:

[1, 2, 31, 62, 227, 454, 1997, 3994, 7037, 14074, 61907, 123814, 453319, 906638, 14052889, 28105778]

約数ペア:

[(1, 28105778), (2, 14052889), (31, 906638), (62, 453319), (227, 123814), (454, 61907), (1997, 14074), (3994, 7037)]