206804945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 264625920

約数和(自身を除く): 57820975

約数列:

[1, 5, 29, 61, 103, 145, 227, 305, 515, 1135, 1769, 2987, 6283, 6583, 8845, 13847, 14935, 23381, 31415, 32915, 69235, 116905, 182207, 401563, 678049, 911035, 1426241, 2007815, 3390245, 7131205, 41360989, 206804945]

約数ペア:

[(1, 206804945), (5, 41360989), (29, 7131205), (61, 3390245), (103, 2007815), (145, 1426241), (227, 911035), (305, 678049), (515, 401563), (1135, 182207), (1769, 116905), (2987, 69235), (6283, 32915), (6583, 31415), (8845, 23381), (13847, 14935)]