28475005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1913}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 36978480

約数和(自身を除く): 8503475

約数列:

[1, 5, 13, 65, 229, 1145, 1913, 2977, 9565, 14885, 24869, 124345, 438077, 2190385, 5695001, 28475005]

約数ペア:

[(1, 28475005), (5, 5695001), (13, 2190385), (65, 438077), (229, 124345), (1145, 24869), (1913, 14885), (2977, 9565)]