81658876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{14407}}^1$

素因数の和:14533

約数の個数: 24

約数和(自身を含む): 155318240

約数和(自身を除く): 73659364

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 14407, 28814, 57628, 187291, 374582, 749164, 1570363, 3140726, 6281452, 20414719, 40829438, 81658876]

約数ペア:

[(1, 81658876), (2, 40829438), (4, 20414719), (13, 6281452), (26, 3140726), (52, 1570363), (109, 749164), (218, 374582), (436, 187291), (1417, 57628), (2834, 28814), (5668, 14407)]