28725385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{1231}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 37255680

約数和(自身を除く): 8530295

約数列:

[1, 5, 13, 65, 359, 1231, 1795, 4667, 6155, 16003, 23335, 80015, 441929, 2209645, 5745077, 28725385]

約数ペア:

[(1, 28725385), (5, 5745077), (13, 2209645), (65, 441929), (359, 80015), (1231, 23335), (1795, 16003), (4667, 6155)]