128644265

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 163654344

約数和(自身を除く): 35010079

約数列:

[1, 5, 31, 41, 155, 205, 653, 961, 1271, 3265, 4805, 6355, 20243, 26773, 39401, 101215, 133865, 197005, 627533, 829963, 3137665, 4149815, 25728853, 128644265]

約数ペア:

[(1, 128644265), (5, 25728853), (31, 4149815), (41, 3137665), (155, 829963), (205, 627533), (653, 197005), (961, 133865), (1271, 101215), (3265, 39401), (4805, 26773), (6355, 20243)]