81666364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{6257}}^1$

素因数の和:6525

約数の個数: 24

約数和(自身を含む): 154547568

約数和(自身を除く): 72881204

約数列:

[1, 2, 4, 13, 26, 52, 251, 502, 1004, 3263, 6257, 6526, 12514, 13052, 25028, 81341, 162682, 325364, 1570507, 3141014, 6282028, 20416591, 40833182, 81666364]

約数ペア:

[(1, 81666364), (2, 40833182), (4, 20416591), (13, 6282028), (26, 3141014), (52, 1570507), (251, 325364), (502, 162682), (1004, 81341), (3263, 25028), (6257, 13052), (6526, 12514)]