28688896

素因数分解:

$2^9\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:564

約数の個数: 40

約数和(自身を含む): 57881340

約数和(自身を除く): 29192444

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 409, 512, 548, 818, 1096, 1636, 2192, 3272, 4384, 6544, 8768, 13088, 17536, 26176, 35072, 52352, 56033, 70144, 104704, 112066, 209408, 224132, 448264, 896528, 1793056, 3586112, 7172224, 14344448, 28688896]

約数ペア:

[(1, 28688896), (2, 14344448), (4, 7172224), (8, 3586112), (16, 1793056), (32, 896528), (64, 448264), (128, 224132), (137, 209408), (256, 112066), (274, 104704), (409, 70144), (512, 56033), (548, 52352), (818, 35072), (1096, 26176), (1636, 17536), (2192, 13088), (3272, 8768), (4384, 6544)]