66888835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 93280320

約数和(自身を除く): 26391485

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 1321, 2665, 3895, 6605, 10127, 17173, 25099, 50635, 54161, 85865, 125495, 270805, 326287, 704093, 1029059, 1631435, 3520465, 5145295, 13377767, 66888835]

約数ペア:

[(1, 66888835), (5, 13377767), (13, 5145295), (19, 3520465), (41, 1631435), (65, 1029059), (95, 704093), (205, 326287), (247, 270805), (533, 125495), (779, 85865), (1235, 54161), (1321, 50635), (2665, 25099), (3895, 17173), (6605, 10127)]