12021815

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 16048368

約数和(自身を除く): 4026553

約数列:

[1, 5, 13, 41, 65, 169, 205, 347, 533, 845, 1735, 2665, 4511, 6929, 14227, 22555, 34645, 58643, 71135, 184951, 293215, 924755, 2404363, 12021815]

約数ペア:

[(1, 12021815), (5, 2404363), (13, 924755), (41, 293215), (65, 184951), (169, 71135), (205, 58643), (347, 34645), (533, 22555), (845, 14227), (1735, 6929), (2665, 4511)]