261990652

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{11047}}^1$

素因数の和:11087

約数の個数: 54

約数和(自身を含む): 586284216

約数和(自身を除く): 324293564

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 847, 1078, 1694, 2156, 3388, 5929, 11047, 11858, 22094, 23716, 44188, 77329, 121517, 154658, 243034, 309316, 486068, 541303, 850619, 1082606, 1336687, 1701238, 2165212, 2673374, 3402476, 5346748, 5954333, 9356809, 11908666, 18713618, 23817332, 37427236, 65497663, 130995326, 261990652]

約数ペア:

[(1, 261990652), (2, 130995326), (4, 65497663), (7, 37427236), (11, 23817332), (14, 18713618), (22, 11908666), (28, 9356809), (44, 5954333), (49, 5346748), (77, 3402476), (98, 2673374), (121, 2165212), (154, 1701238), (196, 1336687), (242, 1082606), (308, 850619), (484, 541303), (539, 486068), (847, 309316), (1078, 243034), (1694, 154658), (2156, 121517), (3388, 77329), (5929, 44188), (11047, 23716), (11858, 22094)]