28973987

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2693}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 34914240

約数和(自身を除く): 5940253

約数列:

[1, 7, 29, 53, 203, 371, 1537, 2693, 10759, 18851, 78097, 142729, 546679, 999103, 4139141, 28973987]

約数ペア:

[(1, 28973987), (7, 4139141), (29, 999103), (53, 546679), (203, 142729), (371, 78097), (1537, 18851), (2693, 10759)]