12761305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 17418240

約数和(自身を除く): 4656935

約数列:

[1, 5, 17, 29, 31, 85, 145, 155, 167, 493, 527, 835, 899, 2465, 2635, 2839, 4495, 4843, 5177, 14195, 15283, 24215, 25885, 76415, 82331, 88009, 150133, 411655, 440045, 750665, 2552261, 12761305]

約数ペア:

[(1, 12761305), (5, 2552261), (17, 750665), (29, 440045), (31, 411655), (85, 150133), (145, 88009), (155, 82331), (167, 76415), (493, 25885), (527, 24215), (835, 15283), (899, 14195), (2465, 5177), (2635, 4843), (2839, 4495)]