28810775

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 43044120

約数和(自身を除く): 14233345

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 725, 811, 1015, 1225, 1421, 4055, 5075, 5677, 7105, 20275, 23519, 28385, 35525, 39739, 117595, 141925, 164633, 198695, 587975, 823165, 993475, 1152431, 4115825, 5762155, 28810775]

約数ペア:

[(1, 28810775), (5, 5762155), (7, 4115825), (25, 1152431), (29, 993475), (35, 823165), (49, 587975), (145, 198695), (175, 164633), (203, 141925), (245, 117595), (725, 39739), (811, 35525), (1015, 28385), (1225, 23519), (1421, 20275), (4055, 7105), (5075, 5677)]