820043068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199621}}^1$

素因数の和:199717

約数の個数: 24

約数和(自身を含む): 1565036480

約数和(自身を除く): 744993412

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 199621, 399242, 798484, 2595073, 5190146, 10380292, 15770059, 31540118, 63080236, 205010767, 410021534, 820043068]

約数ペア:

[(1, 820043068), (2, 410021534), (4, 205010767), (13, 63080236), (26, 31540118), (52, 15770059), (79, 10380292), (158, 5190146), (316, 2595073), (1027, 798484), (2054, 399242), (4108, 199621)]