216970938

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{86719}}^1$

素因数の和:86866

約数の個数: 24

約数和(自身を含む): 473491200

約数和(自身を除く): 256520262

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 86719, 173438, 260157, 520314, 780471, 1560942, 12053941, 24107882, 36161823, 72323646, 108485469, 216970938]

約数ペア:

[(1, 216970938), (2, 108485469), (3, 72323646), (6, 36161823), (9, 24107882), (18, 12053941), (139, 1560942), (278, 780471), (417, 520314), (834, 260157), (1251, 173438), (2502, 86719)]