81220748

素因数分解:

$2^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{5303}}^1$

素因数の和:5861

約数の個数: 24

約数和(自身を含む): 162769152

約数和(自身を除く): 81548404

約数列:

[1, 2, 4, 7, 14, 28, 547, 1094, 2188, 3829, 5303, 7658, 10606, 15316, 21212, 37121, 74242, 148484, 2900741, 5801482, 11602964, 20305187, 40610374, 81220748]

約数ペア:

[(1, 81220748), (2, 40610374), (4, 20305187), (7, 11602964), (14, 5801482), (28, 2900741), (547, 148484), (1094, 74242), (2188, 37121), (3829, 21212), (5303, 15316), (7658, 10606)]