39998426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 67955328

約数和(自身を除く): 27956902

約数列:

[1, 2, 13, 23, 26, 46, 211, 299, 317, 422, 598, 634, 2743, 4121, 4853, 5486, 7291, 8242, 9706, 14582, 63089, 66887, 94783, 126178, 133774, 189566, 869531, 1538401, 1739062, 3076802, 19999213, 39998426]

約数ペア:

[(1, 39998426), (2, 19999213), (13, 3076802), (23, 1739062), (26, 1538401), (46, 869531), (211, 189566), (299, 133774), (317, 126178), (422, 94783), (598, 66887), (634, 63089), (2743, 14582), (4121, 9706), (4853, 8242), (5486, 7291)]