1888188841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{15913}}^1$

素因数の和:16021

約数の個数: 32

約数和(自身を含む): 2493278208

約数和(自身を除く): 605089367

約数列:

[1, 7, 11, 23, 67, 77, 161, 253, 469, 737, 1541, 1771, 5159, 10787, 15913, 16951, 111391, 118657, 175043, 365999, 1066171, 1225301, 2561993, 4025989, 7463197, 11727881, 24521933, 28181923, 82095167, 171653531, 269741263, 1888188841]

約数ペア:

[(1, 1888188841), (7, 269741263), (11, 171653531), (23, 82095167), (67, 28181923), (77, 24521933), (161, 11727881), (253, 7463197), (469, 4025989), (737, 2561993), (1541, 1225301), (1771, 1066171), (5159, 365999), (10787, 175043), (15913, 118657), (16951, 111391)]