1128778885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{421}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 1556876160

約数和(自身を除く): 428097275

約数列:

[1, 5, 13, 19, 65, 95, 167, 169, 247, 421, 835, 845, 1235, 2105, 2171, 3173, 3211, 5473, 7999, 10855, 15865, 16055, 27365, 28223, 39995, 41249, 70307, 71149, 103987, 141115, 206245, 351535, 355745, 519935, 536237, 913991, 1335833, 1351831, 2681185, 4569955, 6679165, 6759155, 11881883, 17365829, 59409415, 86829145, 225755777, 1128778885]

約数ペア:

[(1, 1128778885), (5, 225755777), (13, 86829145), (19, 59409415), (65, 17365829), (95, 11881883), (167, 6759155), (169, 6679165), (247, 4569955), (421, 2681185), (835, 1351831), (845, 1335833), (1235, 913991), (2105, 536237), (2171, 519935), (3173, 355745), (3211, 351535), (5473, 206245), (7999, 141115), (10855, 103987), (15865, 71149), (16055, 70307), (27365, 41249), (28223, 39995)]