17901715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1638

約数の個数: 16

約数和(自身を含む): 23270688

約数和(自身を除く): 5368973

約数列:

[1, 5, 13, 65, 193, 965, 1427, 2509, 7135, 12545, 18551, 92755, 275411, 1377055, 3580343, 17901715]

約数ペア:

[(1, 17901715), (5, 3580343), (13, 1377055), (65, 275411), (193, 92755), (965, 18551), (1427, 12545), (2509, 7135)]