42745885

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13453

約数の個数: 24

約数和(自身を含む): 64264536

約数和(自身を除く): 21518651

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 13421, 67105, 93947, 174473, 469735, 657629, 872365, 1221311, 3288145, 6106555, 8549177, 42745885]

約数ペア:

[(1, 42745885), (5, 8549177), (7, 6106555), (13, 3288145), (35, 1221311), (49, 872365), (65, 657629), (91, 469735), (245, 174473), (455, 93947), (637, 67105), (3185, 13421)]