81338164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{829}}^1\times {\mathrm{1291}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 150130400

約数和(自身を除く): 68792236

約数列:

[1, 2, 4, 19, 38, 76, 829, 1291, 1658, 2582, 3316, 5164, 15751, 24529, 31502, 49058, 63004, 98116, 1070239, 2140478, 4280956, 20334541, 40669082, 81338164]

約数ペア:

[(1, 81338164), (2, 40669082), (4, 20334541), (19, 4280956), (38, 2140478), (76, 1070239), (829, 98116), (1291, 63004), (1658, 49058), (2582, 31502), (3316, 24529), (5164, 15751)]