78487661

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{9949}}^1$

素因数の和:9993

約数の個数: 16

約数和(自身を含む): 95520000

約数和(自身を除く): 17032339

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 9949, 69643, 228827, 487501, 1601789, 3412507, 11212523, 78487661]

約数ペア:

[(1, 78487661), (7, 11212523), (23, 3412507), (49, 1601789), (161, 487501), (343, 228827), (1127, 69643), (7889, 9949)]