206816687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 264176640

約数和(自身を除く): 57359953

約数列:

[1, 7, 11, 77, 89, 103, 293, 623, 721, 979, 1133, 2051, 3223, 6853, 7931, 9167, 22561, 26077, 30179, 64169, 100837, 182539, 211253, 286847, 331969, 705859, 2007929, 2323783, 2685931, 18801517, 29545241, 206816687]

約数ペア:

[(1, 206816687), (7, 29545241), (11, 18801517), (77, 2685931), (89, 2323783), (103, 2007929), (293, 705859), (623, 331969), (721, 286847), (979, 211253), (1133, 182539), (2051, 100837), (3223, 64169), (6853, 30179), (7931, 26077), (9167, 22561)]