664398414

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{90247}}^1$

素因数の和:90664

約数の個数: 24

約数和(自身を含む): 1443065520

約数和(自身を除く): 778667106

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 3681, 7362, 90247, 180494, 270741, 541482, 812223, 1624446, 36911023, 73822046, 110733069, 221466138, 332199207, 664398414]

約数ペア:

[(1, 664398414), (2, 332199207), (3, 221466138), (6, 110733069), (9, 73822046), (18, 36911023), (409, 1624446), (818, 812223), (1227, 541482), (2454, 270741), (3681, 180494), (7362, 90247)]