28388129

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12713}}^1$

素因数の和:12760

約数の個数: 16

約数和(自身を含む): 36616320

約数和(自身を除く): 8228191

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 12713, 88991, 139843, 368677, 978901, 2580739, 4055447, 28388129]

約数ペア:

[(1, 28388129), (7, 4055447), (11, 2580739), (29, 978901), (77, 368677), (203, 139843), (319, 88991), (2233, 12713)]