561500555

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2341}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 865041120

約数和(自身を除く): 303540565

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 89, 245, 385, 445, 539, 623, 979, 2341, 2695, 3115, 4361, 4895, 6853, 11705, 16387, 21805, 25751, 34265, 47971, 81935, 114709, 128755, 180257, 208349, 239855, 573545, 901285, 1041745, 1261799, 1458443, 2291839, 6308995, 7292215, 10209101, 11459195, 16042873, 51045505, 80214365, 112300111, 561500555]

約数ペア:

[(1, 561500555), (5, 112300111), (7, 80214365), (11, 51045505), (35, 16042873), (49, 11459195), (55, 10209101), (77, 7292215), (89, 6308995), (245, 2291839), (385, 1458443), (445, 1261799), (539, 1041745), (623, 901285), (979, 573545), (2341, 239855), (2695, 208349), (3115, 180257), (4361, 128755), (4895, 114709), (6853, 81935), (11705, 47971), (16387, 34265), (21805, 25751)]