12138455

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 17117088

約数和(自身を除く): 4978633

約数列:

[1, 5, 7, 35, 47, 157, 235, 329, 785, 1099, 1645, 2209, 5495, 7379, 11045, 15463, 36895, 51653, 77315, 258265, 346813, 1734065, 2427691, 12138455]

約数ペア:

[(1, 12138455), (5, 2427691), (7, 1734065), (35, 346813), (47, 258265), (157, 77315), (235, 51653), (329, 36895), (785, 15463), (1099, 11045), (1645, 7379), (2209, 5495)]