12864215

素因数分解:

$5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 19420800

約数和(自身を除く): 6556585

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 343, 455, 577, 637, 1715, 2885, 3185, 4039, 4459, 7501, 20195, 22295, 28273, 37505, 52507, 141365, 197911, 262535, 367549, 989555, 1837745, 2572843, 12864215]

約数ペア:

[(1, 12864215), (5, 2572843), (7, 1837745), (13, 989555), (35, 367549), (49, 262535), (65, 197911), (91, 141365), (245, 52507), (343, 37505), (455, 28273), (577, 22295), (637, 20195), (1715, 7501), (2885, 4459), (3185, 4039)]