67878251

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 80375808

約数和(自身を除く): 12497557

約数列:

[1, 7, 31, 217, 421, 743, 2947, 5201, 13051, 23033, 91357, 161231, 312803, 2189621, 9696893, 67878251]

約数ペア:

[(1, 67878251), (7, 9696893), (31, 2189621), (217, 312803), (421, 161231), (743, 91357), (2947, 23033), (5201, 13051)]