1287824785

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 1743026688

約数和(自身を除く): 455201903

約数列:

[1, 5, 13, 31, 65, 155, 169, 211, 233, 403, 845, 1055, 1165, 2015, 2743, 3029, 5239, 6541, 7223, 13715, 15145, 26195, 32705, 35659, 36115, 39377, 49163, 85033, 93899, 178295, 196885, 245815, 425165, 469495, 639119, 1105429, 1220687, 1524053, 3195595, 5527145, 6103435, 7620265, 8308547, 19812689, 41542735, 99063445, 257564957, 1287824785]

約数ペア:

[(1, 1287824785), (5, 257564957), (13, 99063445), (31, 41542735), (65, 19812689), (155, 8308547), (169, 7620265), (211, 6103435), (233, 5527145), (403, 3195595), (845, 1524053), (1055, 1220687), (1165, 1105429), (2015, 639119), (2743, 469495), (3029, 425165), (5239, 245815), (6541, 196885), (7223, 178295), (13715, 93899), (15145, 85033), (26195, 49163), (32705, 39377), (35659, 36115)]