81667048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1223}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 162596160

約数和(自身を除く): 80929112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 491, 982, 1223, 1964, 2446, 3928, 4892, 8347, 9784, 16694, 20791, 33388, 41582, 66776, 83164, 166328, 600493, 1200986, 2401972, 4803944, 10208381, 20416762, 40833524, 81667048]

約数ペア:

[(1, 81667048), (2, 40833524), (4, 20416762), (8, 10208381), (17, 4803944), (34, 2401972), (68, 1200986), (136, 600493), (491, 166328), (982, 83164), (1223, 66776), (1964, 41582), (2446, 33388), (3928, 20791), (4892, 16694), (8347, 9784)]