123780012

素因数分解:

$2^2\times 3^1\times {\mathrm{239}}^1\times {\mathrm{43159}}^1$

素因数の和:43405

約数の個数: 24

約数和(自身を含む): 290035200

約数和(自身を除く): 166255188

約数列:

[1, 2, 3, 4, 6, 12, 239, 478, 717, 956, 1434, 2868, 43159, 86318, 129477, 172636, 258954, 517908, 10315001, 20630002, 30945003, 41260004, 61890006, 123780012]

約数ペア:

[(1, 123780012), (2, 61890006), (3, 41260004), (4, 30945003), (6, 20630002), (12, 10315001), (239, 517908), (478, 258954), (717, 172636), (956, 129477), (1434, 86318), (2868, 43159)]