81351074

素因数分解:

$2^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1291}}^1$

素因数の和:1950

約数の個数: 24

約数和(自身を含む): 142280208

約数和(自身を除く): 60929134

約数列:

[1, 2, 7, 14, 49, 98, 643, 1286, 1291, 2582, 4501, 9002, 9037, 18074, 31507, 63014, 63259, 126518, 830113, 1660226, 5810791, 11621582, 40675537, 81351074]

約数ペア:

[(1, 81351074), (2, 40675537), (7, 11621582), (14, 5810791), (49, 1660226), (98, 830113), (643, 126518), (1286, 63259), (1291, 63014), (2582, 31507), (4501, 18074), (9002, 9037)]