123128654

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{821}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 214127712

約数和(自身を除く): 90999058

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 401, 802, 821, 1642, 4411, 6817, 8822, 9031, 13634, 13957, 18062, 27914, 74987, 149974, 153527, 307054, 329221, 658442, 3621431, 5596757, 7242862, 11193514, 61564327, 123128654]

約数ペア:

[(1, 123128654), (2, 61564327), (11, 11193514), (17, 7242862), (22, 5596757), (34, 3621431), (187, 658442), (374, 329221), (401, 307054), (802, 153527), (821, 149974), (1642, 74987), (4411, 27914), (6817, 18062), (8822, 13957), (9031, 13634)]