51638210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397217}}^1$

素因数の和:397237

約数の個数: 16

約数和(自身を含む): 100098936

約数和(自身を除く): 48460726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 397217, 794434, 1986085, 3972170, 5163821, 10327642, 25819105, 51638210]

約数ペア:

[(1, 51638210), (2, 25819105), (5, 10327642), (10, 5163821), (13, 3972170), (26, 1986085), (65, 794434), (130, 397217)]