81948004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{1031}}^1$

素因数の和:1707

約数の個数: 24

約数和(自身を含む): 148409856

約数和(自身を除く): 66461852

約数列:

[1, 2, 4, 31, 62, 124, 641, 1031, 1282, 2062, 2564, 4124, 19871, 31961, 39742, 63922, 79484, 127844, 660871, 1321742, 2643484, 20487001, 40974002, 81948004]

約数ペア:

[(1, 81948004), (2, 40974002), (4, 20487001), (31, 2643484), (62, 1321742), (124, 660871), (641, 127844), (1031, 79484), (1282, 63922), (2062, 39742), (2564, 31961), (4124, 19871)]