128474927

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{1223}}^1$

素因数の和:1622

約数の個数: 16

約数和(自身を含む): 150796800

約数和(自身を除く): 22321873

約数列:

[1, 7, 43, 301, 349, 1223, 2443, 8561, 15007, 52589, 105049, 368123, 426827, 2987789, 18353561, 128474927]

約数ペア:

[(1, 128474927), (7, 18353561), (43, 2987789), (301, 426827), (349, 368123), (1223, 105049), (2443, 52589), (8561, 15007)]