28115645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2836

約数の個数: 16

約数和(自身を含む): 35406720

約数和(自身を除く): 7291075

約数列:

[1, 5, 29, 71, 145, 355, 2059, 2731, 10295, 13655, 79199, 193901, 395995, 969505, 5623129, 28115645]

約数ペア:

[(1, 28115645), (5, 5623129), (29, 969505), (71, 395995), (145, 193901), (355, 79199), (2059, 13655), (2731, 10295)]