1278204392

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131071}}^1$

素因数の和:131153

約数の個数: 32

約数和(自身を含む): 2548039680

約数和(自身を除く): 1269835288

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 1219, 2438, 4876, 9752, 131071, 262142, 524284, 1048568, 3014633, 6029266, 6946763, 12058532, 13893526, 24117064, 27787052, 55574104, 159775549, 319551098, 639102196, 1278204392]

約数ペア:

[(1, 1278204392), (2, 639102196), (4, 319551098), (8, 159775549), (23, 55574104), (46, 27787052), (53, 24117064), (92, 13893526), (106, 12058532), (184, 6946763), (212, 6029266), (424, 3014633), (1219, 1048568), (2438, 524284), (4876, 262142), (9752, 131071)]