818809345

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 1044316800

約数和(自身を除く): 225507455

約数列:

[1, 5, 29, 67, 89, 145, 335, 445, 947, 1943, 2581, 4735, 5963, 9715, 12905, 27463, 29815, 63449, 84283, 137315, 172927, 317245, 421415, 864635, 1840021, 2444207, 5646961, 9200105, 12221035, 28234805, 163761869, 818809345]

約数ペア:

[(1, 818809345), (5, 163761869), (29, 28234805), (67, 12221035), (89, 9200105), (145, 5646961), (335, 2444207), (445, 1840021), (947, 864635), (1943, 421415), (2581, 317245), (4735, 172927), (5963, 137315), (9715, 84283), (12905, 63449), (27463, 29815)]