212912498519

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{188919697}}^1$

素因数の和:188919734

約数の個数: 12

約数和(自身を含む): 258442146864

約数和(自身を除く): 45529648345

約数列:

[1, 7, 23, 49, 161, 1127, 188919697, 1322437879, 4345153031, 9257065153, 30416071217, 212912498519]

約数ペア:

[(1, 212912498519), (7, 30416071217), (23, 9257065153), (49, 4345153031), (161, 1322437879), (1127, 188919697)]