72849721

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 88281600

約数和(自身を除く): 15431879

約数列:

[1, 7, 31, 49, 199, 217, 241, 1393, 1519, 1687, 6169, 7471, 9751, 11809, 43183, 47959, 52297, 302281, 335713, 366079, 1486729, 2349991, 10407103, 72849721]

約数ペア:

[(1, 72849721), (7, 10407103), (31, 2349991), (49, 1486729), (199, 366079), (217, 335713), (241, 302281), (1393, 52297), (1519, 47959), (1687, 43183), (6169, 11809), (7471, 9751)]