81448315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 110186496

約数和(自身を除く): 28738181

約数列:

[1, 5, 13, 31, 65, 83, 155, 403, 415, 487, 1079, 2015, 2435, 2573, 5395, 6331, 12865, 15097, 31655, 33449, 40421, 75485, 167245, 196261, 202105, 525473, 981305, 1253051, 2627365, 6265255, 16289663, 81448315]

約数ペア:

[(1, 81448315), (5, 16289663), (13, 6265255), (31, 2627365), (65, 1253051), (83, 981305), (155, 525473), (403, 202105), (415, 196261), (487, 167245), (1079, 75485), (2015, 40421), (2435, 33449), (2573, 31655), (5395, 15097), (6331, 12865)]