81401268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2473}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 205599296

約数和(自身を除く): 124198028

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 211, 422, 633, 844, 1266, 2473, 2532, 2743, 4946, 5486, 7419, 8229, 9892, 10972, 14838, 16458, 29676, 32149, 32916, 64298, 96447, 128596, 192894, 385788, 521803, 1043606, 1565409, 2087212, 3130818, 6261636, 6783439, 13566878, 20350317, 27133756, 40700634, 81401268]

約数ペア:

[(1, 81401268), (2, 40700634), (3, 27133756), (4, 20350317), (6, 13566878), (12, 6783439), (13, 6261636), (26, 3130818), (39, 2087212), (52, 1565409), (78, 1043606), (156, 521803), (211, 385788), (422, 192894), (633, 128596), (844, 96447), (1266, 64298), (2473, 32916), (2532, 32149), (2743, 29676), (4946, 16458), (5486, 14838), (7419, 10972), (8229, 9892)]