28987525

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 41675904

約数和(自身を除く): 12688379

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1775, 2333, 2485, 11665, 12425, 16331, 58325, 81655, 165643, 408275, 828215, 1159501, 4141075, 5797505, 28987525]

約数ペア:

[(1, 28987525), (5, 5797505), (7, 4141075), (25, 1159501), (35, 828215), (71, 408275), (175, 165643), (355, 81655), (497, 58325), (1775, 16331), (2333, 12425), (2485, 11665)]