81426306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15581}}^1$

素因数の和:15666

約数の個数: 32

約数和(自身を含む): 178008768

約数和(自身を除く): 96582462

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 15581, 31162, 46743, 93486, 202553, 405106, 607659, 1043927, 1215318, 2087854, 3131781, 6263562, 13571051, 27142102, 40713153, 81426306]

約数ペア:

[(1, 81426306), (2, 40713153), (3, 27142102), (6, 13571051), (13, 6263562), (26, 3131781), (39, 2087854), (67, 1215318), (78, 1043927), (134, 607659), (201, 405106), (402, 202553), (871, 93486), (1742, 46743), (2613, 31162), (5226, 15581)]