180400129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{63949}}^1$

素因数の和:64000

約数の個数: 16

約数和(自身を含む): 229196800

約数和(自身を除く): 48796671

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 63949, 447643, 831337, 1982419, 5819359, 13876933, 25771447, 180400129]

約数ペア:

[(1, 180400129), (7, 25771447), (13, 13876933), (31, 5819359), (91, 1982419), (217, 831337), (403, 447643), (2821, 63949)]