12389209

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 15513120

約数和(自身を除く): 3123911

約数列:

[1, 7, 17, 49, 107, 119, 139, 749, 833, 973, 1819, 2363, 5243, 6811, 12733, 14873, 16541, 89131, 104111, 115787, 252841, 728777, 1769887, 12389209]

約数ペア:

[(1, 12389209), (7, 1769887), (17, 728777), (49, 252841), (107, 115787), (119, 104111), (139, 89131), (749, 16541), (833, 14873), (973, 12733), (1819, 6811), (2363, 5243)]