12998015

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 15984000

約数和(自身を除く): 2985985

約数列:

[1, 5, 73, 149, 239, 365, 745, 1195, 10877, 17447, 35611, 54385, 87235, 178055, 2599603, 12998015]

約数ペア:

[(1, 12998015), (5, 2599603), (73, 178055), (149, 87235), (239, 54385), (365, 35611), (745, 17447), (1195, 10877)]