72728975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 106707456

約数和(自身を除く): 33978481

約数列:

[1, 5, 11, 17, 25, 47, 55, 85, 187, 235, 275, 331, 425, 517, 799, 935, 1175, 1655, 2585, 3641, 3995, 4675, 5627, 8275, 8789, 12925, 15557, 18205, 19975, 28135, 43945, 61897, 77785, 91025, 140675, 171127, 219725, 264469, 309485, 388925, 855635, 1322345, 1547425, 2909159, 4278175, 6611725, 14545795, 72728975]

約数ペア:

[(1, 72728975), (5, 14545795), (11, 6611725), (17, 4278175), (25, 2909159), (47, 1547425), (55, 1322345), (85, 855635), (187, 388925), (235, 309485), (275, 264469), (331, 219725), (425, 171127), (517, 140675), (799, 91025), (935, 77785), (1175, 61897), (1655, 43945), (2585, 28135), (3641, 19975), (3995, 18205), (4675, 15557), (5627, 12925), (8275, 8789)]