28000015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6271}}^1$

素因数の和:6342

約数の個数: 16

約数和(自身を含む): 36126720

約数和(自身を除く): 8126705

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 6271, 31355, 119149, 294737, 595745, 1473685, 5600003, 28000015]

約数ペア:

[(1, 28000015), (5, 5600003), (19, 1473685), (47, 595745), (95, 294737), (235, 119149), (893, 31355), (4465, 6271)]