1221566276

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{31319}}^1$

素因数の和:31536

約数の個数: 36

約数和(自身を含む): 2499336000

約数和(自身を除く): 1277769724

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 796, 1393, 2786, 5572, 9751, 19502, 31319, 39004, 62638, 125276, 219233, 438466, 876932, 1534631, 3069262, 6138524, 6232481, 12464962, 24929924, 43627367, 87254734, 174509468, 305391569, 610783138, 1221566276]

約数ペア:

[(1, 1221566276), (2, 610783138), (4, 305391569), (7, 174509468), (14, 87254734), (28, 43627367), (49, 24929924), (98, 12464962), (196, 6232481), (199, 6138524), (398, 3069262), (796, 1534631), (1393, 876932), (2786, 438466), (5572, 219233), (9751, 125276), (19502, 62638), (31319, 39004)]