217845894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{40841}}^1$

素因数の和:40980

約数の個数: 32

約数和(自身を含む): 501866496

約数和(自身を除く): 284020602

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 762, 889, 1778, 2667, 5334, 40841, 81682, 122523, 245046, 285887, 571774, 857661, 1715322, 5186807, 10373614, 15560421, 31120842, 36307649, 72615298, 108922947, 217845894]

約数ペア:

[(1, 217845894), (2, 108922947), (3, 72615298), (6, 36307649), (7, 31120842), (14, 15560421), (21, 10373614), (42, 5186807), (127, 1715322), (254, 857661), (381, 571774), (762, 285887), (889, 245046), (1778, 122523), (2667, 81682), (5334, 40841)]