328055

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 497952

約数和(自身を除く): 169897

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 103, 245, 455, 515, 637, 721, 1339, 3185, 3605, 5047, 6695, 9373, 25235, 46865, 65611, 328055]

約数ペア:

[(1, 328055), (5, 65611), (7, 46865), (13, 25235), (35, 9373), (49, 6695), (65, 5047), (91, 3605), (103, 3185), (245, 1339), (455, 721), (515, 637)]