64440005

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 90616320

約数和(自身を除く): 26176315

約数列:

[1, 5, 7, 35, 89, 137, 151, 445, 623, 685, 755, 959, 1057, 3115, 4795, 5285, 12193, 13439, 20687, 60965, 67195, 85351, 94073, 103435, 144809, 426755, 470365, 724045, 1841143, 9205715, 12888001, 64440005]

約数ペア:

[(1, 64440005), (5, 12888001), (7, 9205715), (35, 1841143), (89, 724045), (137, 470365), (151, 426755), (445, 144809), (623, 103435), (685, 94073), (755, 85351), (959, 67195), (1057, 60965), (3115, 20687), (4795, 13439), (5285, 12193)]