2013222575

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{757}}^1$

素因数の和:961

約数の個数: 72

約数和(自身を含む): 3150235872

約数和(自身を除く): 1137013297

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 167, 175, 245, 325, 455, 637, 757, 835, 1169, 1225, 2171, 2275, 3185, 3785, 4175, 5299, 5845, 8183, 9841, 10855, 15197, 15925, 18925, 26495, 29225, 37093, 40915, 49205, 54275, 68887, 75985, 106379, 126419, 132475, 185465, 204575, 246025, 344435, 379925, 482209, 531895, 632095, 884933, 927325, 1643447, 1722175, 2411045, 2659475, 3160475, 4424665, 6194531, 8217235, 11504129, 12055225, 22123325, 30972655, 41086175, 57520645, 80528903, 154863275, 287603225, 402644515, 2013222575]

約数ペア:

[(1, 2013222575), (5, 402644515), (7, 287603225), (13, 154863275), (25, 80528903), (35, 57520645), (49, 41086175), (65, 30972655), (91, 22123325), (167, 12055225), (175, 11504129), (245, 8217235), (325, 6194531), (455, 4424665), (637, 3160475), (757, 2659475), (835, 2411045), (1169, 1722175), (1225, 1643447), (2171, 927325), (2275, 884933), (3185, 632095), (3785, 531895), (4175, 482209), (5299, 379925), (5845, 344435), (8183, 246025), (9841, 204575), (10855, 185465), (15197, 132475), (15925, 126419), (18925, 106379), (26495, 75985), (29225, 68887), (37093, 54275), (40915, 49205)]