77731225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 119992320

約数和(自身を除く): 42261095

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 1279, 2431, 3575, 4675, 5525, 6395, 12155, 14069, 16627, 21743, 31975, 60775, 70345, 83135, 108715, 182897, 239173, 282659, 351725, 415675, 543575, 914485, 1195865, 1413295, 3109249, 4572425, 5979325, 7066475, 15546245, 77731225]

約数ペア:

[(1, 77731225), (5, 15546245), (11, 7066475), (13, 5979325), (17, 4572425), (25, 3109249), (55, 1413295), (65, 1195865), (85, 914485), (143, 543575), (187, 415675), (221, 351725), (275, 282659), (325, 239173), (425, 182897), (715, 108715), (935, 83135), (1105, 70345), (1279, 60775), (2431, 31975), (3575, 21743), (4675, 16627), (5525, 14069), (6395, 12155)]