28260925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 44675712

約数和(自身を除く): 16414787

約数列:

[1, 5, 7, 11, 25, 35, 53, 55, 77, 175, 265, 275, 277, 371, 385, 583, 1325, 1385, 1855, 1925, 1939, 2915, 3047, 4081, 6925, 9275, 9695, 14575, 14681, 15235, 20405, 21329, 48475, 73405, 76175, 102025, 102767, 106645, 161491, 367025, 513835, 533225, 807455, 1130437, 2569175, 4037275, 5652185, 28260925]

約数ペア:

[(1, 28260925), (5, 5652185), (7, 4037275), (11, 2569175), (25, 1130437), (35, 807455), (53, 533225), (55, 513835), (77, 367025), (175, 161491), (265, 106645), (275, 102767), (277, 102025), (371, 76175), (385, 73405), (583, 48475), (1325, 21329), (1385, 20405), (1855, 15235), (1925, 14681), (1939, 14575), (2915, 9695), (3047, 9275), (4081, 6925)]