208931274

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163483}}^1$

素因数の和:163562

約数の個数: 24

約数和(自身を含む): 459063072

約数和(自身を除く): 250131798

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 163483, 326966, 490449, 980898, 1471347, 2942694, 11607293, 23214586, 34821879, 69643758, 104465637, 208931274]

約数ペア:

[(1, 208931274), (2, 104465637), (3, 69643758), (6, 34821879), (9, 23214586), (18, 11607293), (71, 2942694), (142, 1471347), (213, 980898), (426, 490449), (639, 326966), (1278, 163483)]