255394945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 345461760

約数和(自身を除く): 90066815

約数列:

[1, 5, 13, 41, 47, 65, 205, 235, 533, 611, 1927, 2039, 2665, 3055, 9635, 10195, 25051, 26507, 83599, 95833, 125255, 132535, 417995, 479165, 1086787, 1245829, 3929153, 5433935, 6229145, 19645765, 51078989, 255394945]

約数ペア:

[(1, 255394945), (5, 51078989), (13, 19645765), (41, 6229145), (47, 5433935), (65, 3929153), (205, 1245829), (235, 1086787), (533, 479165), (611, 417995), (1927, 132535), (2039, 125255), (2665, 95833), (3055, 83599), (9635, 26507), (10195, 25051)]