66665005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{13619}}^1$

素因数の和:13724

約数の個数: 16

約数和(自身を含む): 88257600

約数和(自身を除く): 21592595

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 13619, 68095, 149809, 749045, 1212091, 6060455, 13333001, 66665005]

約数ペア:

[(1, 66665005), (5, 13333001), (11, 6060455), (55, 1212091), (89, 749045), (445, 149809), (979, 68095), (4895, 13619)]