2178770495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2549}}^1\times {\mathrm{15541}}^1$

素因数の和:18106

約数の個数: 16

約数和(自身を含む): 2853511200

約数和(自身を除く): 674740705

約数列:

[1, 5, 11, 55, 2549, 12745, 15541, 28039, 77705, 140195, 170951, 854755, 39614009, 198070045, 435754099, 2178770495]

約数ペア:

[(1, 2178770495), (5, 435754099), (11, 198070045), (55, 39614009), (2549, 854755), (12745, 170951), (15541, 140195), (28039, 77705)]