161855478

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 358053696

約数和(自身を除く): 196198218

約数列:

[1, 2, 3, 6, 9, 18, 83, 131, 166, 249, 262, 393, 498, 747, 786, 827, 1179, 1494, 1654, 2358, 2481, 4962, 7443, 10873, 14886, 21746, 32619, 65238, 68641, 97857, 108337, 137282, 195714, 205923, 216674, 325011, 411846, 617769, 650022, 975033, 1235538, 1950066, 8991971, 17983942, 26975913, 53951826, 80927739, 161855478]

約数ペア:

[(1, 161855478), (2, 80927739), (3, 53951826), (6, 26975913), (9, 17983942), (18, 8991971), (83, 1950066), (131, 1235538), (166, 975033), (249, 650022), (262, 617769), (393, 411846), (498, 325011), (747, 216674), (786, 205923), (827, 195714), (1179, 137282), (1494, 108337), (1654, 97857), (2358, 68641), (2481, 65238), (4962, 32619), (7443, 21746), (10873, 14886)]