65540728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39199}}^1$

素因数の和:39235

約数の個数: 32

約数和(自身を含む): 141120000

約数和(自身を除く): 75579272

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 39199, 78398, 156796, 313592, 431189, 744781, 862378, 1489562, 1724756, 2979124, 3449512, 5958248, 8192591, 16385182, 32770364, 65540728]

約数ペア:

[(1, 65540728), (2, 32770364), (4, 16385182), (8, 8192591), (11, 5958248), (19, 3449512), (22, 2979124), (38, 1724756), (44, 1489562), (76, 862378), (88, 744781), (152, 431189), (209, 313592), (418, 156796), (836, 78398), (1672, 39199)]