74423797

素因数分解:

$7^4\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:390

約数の個数: 20

約数和(自身を含む): 87839360

約数和(自身を除く): 13415563

約数列:

[1, 7, 49, 139, 223, 343, 973, 1561, 2401, 6811, 10927, 30997, 47677, 76489, 216979, 333739, 535423, 1518853, 10631971, 74423797]

約数ペア:

[(1, 74423797), (7, 10631971), (49, 1518853), (139, 535423), (223, 333739), (343, 216979), (973, 76489), (1561, 47677), (2401, 30997), (6811, 10927)]