81961558

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 147248640

約数和(自身を除く): 65287082

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 331, 662, 769, 1538, 2317, 4634, 5383, 7613, 10766, 15226, 17687, 35374, 53291, 106582, 123809, 247618, 254539, 509078, 1781773, 3563546, 5854397, 11708794, 40980779, 81961558]

約数ペア:

[(1, 81961558), (2, 40980779), (7, 11708794), (14, 5854397), (23, 3563546), (46, 1781773), (161, 509078), (322, 254539), (331, 247618), (662, 123809), (769, 106582), (1538, 53291), (2317, 35374), (4634, 17687), (5383, 15226), (7613, 10766)]