81978654

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{10733}}^1$

素因数の和:10824

約数の個数: 32

約数和(自身を含む): 175178880

約数和(自身を除く): 93200226

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 3819, 7638, 10733, 21466, 32199, 64398, 203927, 407854, 611781, 719111, 1223562, 1438222, 2157333, 4314666, 13663109, 27326218, 40989327, 81978654]

約数ペア:

[(1, 81978654), (2, 40989327), (3, 27326218), (6, 13663109), (19, 4314666), (38, 2157333), (57, 1438222), (67, 1223562), (114, 719111), (134, 611781), (201, 407854), (402, 203927), (1273, 64398), (2546, 32199), (3819, 21466), (7638, 10733)]