81472638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{6653}}^1$

素因数の和:6828

約数の個数: 32

約数和(自身を含む): 176623776

約数和(自身を除く): 95151138

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 157, 314, 471, 942, 2041, 4082, 6123, 6653, 12246, 13306, 19959, 39918, 86489, 172978, 259467, 518934, 1044521, 2089042, 3133563, 6267126, 13578773, 27157546, 40736319, 81472638]

約数ペア:

[(1, 81472638), (2, 40736319), (3, 27157546), (6, 13578773), (13, 6267126), (26, 3133563), (39, 2089042), (78, 1044521), (157, 518934), (314, 259467), (471, 172978), (942, 86489), (2041, 39918), (4082, 19959), (6123, 13306), (6653, 12246)]