12408215

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 16386432

約数和(自身を除く): 3978217

約数列:

[1, 5, 17, 31, 85, 155, 277, 289, 527, 1385, 1445, 2635, 4709, 8587, 8959, 23545, 42935, 44795, 80053, 145979, 400265, 729895, 2481643, 12408215]

約数ペア:

[(1, 12408215), (5, 2481643), (17, 729895), (31, 400265), (85, 145979), (155, 80053), (277, 44795), (289, 42935), (527, 23545), (1385, 8959), (1445, 8587), (2635, 4709)]