639211084

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{47237}}^1$

素因数の和:47457

約数の個数: 24

約数和(自身を含む): 1190397600

約数和(自身を除く): 551186516

約数列:

[1, 2, 4, 17, 34, 68, 199, 398, 796, 3383, 6766, 13532, 47237, 94474, 188948, 803029, 1606058, 3212116, 9400163, 18800326, 37600652, 159802771, 319605542, 639211084]

約数ペア:

[(1, 639211084), (2, 319605542), (4, 159802771), (17, 37600652), (34, 18800326), (68, 9400163), (199, 3212116), (398, 1606058), (796, 803029), (3383, 188948), (6766, 94474), (13532, 47237)]