288440999

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 390044160

約数和(自身を除く): 101603161

約数列:

[1, 7, 11, 23, 49, 53, 77, 161, 253, 371, 439, 539, 583, 1127, 1219, 1771, 2597, 3073, 4081, 4829, 8533, 10097, 12397, 13409, 21511, 23267, 28567, 33803, 59731, 70679, 93863, 111067, 162869, 236621, 255937, 494753, 535141, 657041, 777469, 1140083, 1791559, 3745987, 5442283, 5886551, 12540913, 26221909, 41205857, 288440999]

約数ペア:

[(1, 288440999), (7, 41205857), (11, 26221909), (23, 12540913), (49, 5886551), (53, 5442283), (77, 3745987), (161, 1791559), (253, 1140083), (371, 777469), (439, 657041), (539, 535141), (583, 494753), (1127, 255937), (1219, 236621), (1771, 162869), (2597, 111067), (3073, 93863), (4081, 70679), (4829, 59731), (8533, 33803), (10097, 28567), (12397, 23267), (13409, 21511)]