26257465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 9417671

約数列:

[1, 5, 13, 31, 65, 83, 155, 157, 403, 415, 785, 1079, 2015, 2041, 2573, 4867, 5395, 10205, 12865, 13031, 24335, 33449, 63271, 65155, 167245, 169403, 316355, 403961, 847015, 2019805, 5251493, 26257465]

約数ペア:

[(1, 26257465), (5, 5251493), (13, 2019805), (31, 847015), (65, 403961), (83, 316355), (155, 169403), (157, 167245), (403, 65155), (415, 63271), (785, 33449), (1079, 24335), (2015, 13031), (2041, 12865), (2573, 10205), (4867, 5395)]