16978731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2371}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 29147136

約数和(自身を除く): 12168405

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2371, 2387, 7113, 7161, 16597, 26081, 49791, 73501, 78243, 182567, 220503, 514507, 547701, 808511, 1543521, 2425533, 5659577, 16978731]

約数ペア:

[(1, 16978731), (3, 5659577), (7, 2425533), (11, 1543521), (21, 808511), (31, 547701), (33, 514507), (77, 220503), (93, 182567), (217, 78243), (231, 73501), (341, 49791), (651, 26081), (1023, 16597), (2371, 7161), (2387, 7113)]