221337788

素因数分解:

$2^2\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{6329}}^1$

素因数の和:7589

約数の個数: 24

約数和(自身を含む): 443100000

約数和(自身を除く): 221762212

約数列:

[1, 2, 4, 7, 14, 28, 1249, 2498, 4996, 6329, 8743, 12658, 17486, 25316, 34972, 44303, 88606, 177212, 7904921, 15809842, 31619684, 55334447, 110668894, 221337788]

約数ペア:

[(1, 221337788), (2, 110668894), (4, 55334447), (7, 31619684), (14, 15809842), (28, 7904921), (1249, 177212), (2498, 88606), (4996, 44303), (6329, 34972), (8743, 25316), (12658, 17486)]