160021774

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{6547}}^1$

素因数の和:6672

約数の個数: 24

約数和(自身を含む): 266490504

約数和(自身を除く): 106468730

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 6547, 12221, 13094, 24442, 72017, 144034, 661247, 792187, 1322494, 1584374, 7273717, 14547434, 80010887, 160021774]

約数ペア:

[(1, 160021774), (2, 80010887), (11, 14547434), (22, 7273717), (101, 1584374), (121, 1322494), (202, 792187), (242, 661247), (1111, 144034), (2222, 72017), (6547, 24442), (12221, 13094)]