12905261705

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{16031381}}^1$

素因数の和:16031416

約数の個数: 16

約数和(自身を含む): 18468152064

約数和(自身を除く): 5562890359

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 16031381, 80156905, 112219667, 368721763, 561098335, 1843608815, 2581052341, 12905261705]

約数ペア:

[(1, 12905261705), (5, 2581052341), (7, 1843608815), (23, 561098335), (35, 368721763), (115, 112219667), (161, 80156905), (805, 16031381)]