1223643355

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1871}}^1$

素因数の和:1968

約数の個数: 48

約数和(自身を含む): 1720922112

約数和(自身を除く): 497278757

約数列:

[1, 5, 11, 23, 47, 55, 115, 121, 235, 253, 517, 605, 1081, 1265, 1871, 2585, 2783, 5405, 5687, 9355, 11891, 13915, 20581, 28435, 43033, 59455, 87937, 102905, 130801, 215165, 226391, 439685, 473363, 654005, 967307, 1131955, 2022551, 2366815, 4836535, 5206993, 10112755, 10640377, 22248061, 26034965, 53201885, 111240305, 244728671, 1223643355]

約数ペア:

[(1, 1223643355), (5, 244728671), (11, 111240305), (23, 53201885), (47, 26034965), (55, 22248061), (115, 10640377), (121, 10112755), (235, 5206993), (253, 4836535), (517, 2366815), (605, 2022551), (1081, 1131955), (1265, 967307), (1871, 654005), (2585, 473363), (2783, 439685), (5405, 226391), (5687, 215165), (9355, 130801), (11891, 102905), (13915, 87937), (20581, 59455), (28435, 43033)]