165716495

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 239016960

約数和(自身を除く): 73300465

約数列:

[1, 5, 7, 23, 35, 115, 139, 161, 695, 805, 973, 1481, 3197, 4865, 7405, 10367, 15985, 22379, 34063, 51835, 111895, 170315, 205859, 238441, 1029295, 1192205, 1441013, 4734757, 7205065, 23673785, 33143299, 165716495]

約数ペア:

[(1, 165716495), (5, 33143299), (7, 23673785), (23, 7205065), (35, 4734757), (115, 1441013), (139, 1192205), (161, 1029295), (695, 238441), (805, 205859), (973, 170315), (1481, 111895), (3197, 51835), (4865, 34063), (7405, 22379), (10367, 15985)]