26278175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 43934688

約数和(自身を除く): 17656513

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 73, 77, 85, 119, 121, 175, 187, 275, 365, 385, 425, 511, 595, 605, 803, 847, 935, 1241, 1309, 1825, 1925, 2057, 2555, 2975, 3025, 4015, 4235, 4675, 5621, 6205, 6545, 8687, 8833, 10285, 12775, 13651, 14399, 20075, 21175, 28105, 31025, 32725, 43435, 44165, 51425, 61831, 68255, 71995, 95557, 140525, 150161, 217175, 220825, 309155, 341275, 359975, 477785, 750805, 1051127, 1545775, 2388925, 3754025, 5255635, 26278175]

約数ペア:

[(1, 26278175), (5, 5255635), (7, 3754025), (11, 2388925), (17, 1545775), (25, 1051127), (35, 750805), (55, 477785), (73, 359975), (77, 341275), (85, 309155), (119, 220825), (121, 217175), (175, 150161), (187, 140525), (275, 95557), (365, 71995), (385, 68255), (425, 61831), (511, 51425), (595, 44165), (605, 43435), (803, 32725), (847, 31025), (935, 28105), (1241, 21175), (1309, 20075), (1825, 14399), (1925, 13651), (2057, 12775), (2555, 10285), (2975, 8833), (3025, 8687), (4015, 6545), (4235, 6205), (4675, 5621)]