254236450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{391133}}^1$

素因数の和:391158

約数の個数: 24

約数和(自身を含む): 509256468

約数和(自身を除く): 255020018

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 391133, 782266, 1955665, 3911330, 5084729, 9778325, 10169458, 19556650, 25423645, 50847290, 127118225, 254236450]

約数ペア:

[(1, 254236450), (2, 127118225), (5, 50847290), (10, 25423645), (13, 19556650), (25, 10169458), (26, 9778325), (50, 5084729), (65, 3911330), (130, 1955665), (325, 782266), (650, 391133)]