397384012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{85717}}^1$

素因数の和:85801

約数の個数: 24

約数和(自身を含む): 744032240

約数和(自身を除く): 346648228

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 85717, 171434, 342868, 1628623, 3257246, 5228737, 6514492, 10457474, 20914948, 99346003, 198692006, 397384012]

約数ペア:

[(1, 397384012), (2, 198692006), (4, 99346003), (19, 20914948), (38, 10457474), (61, 6514492), (76, 5228737), (122, 3257246), (244, 1628623), (1159, 342868), (2318, 171434), (4636, 85717)]