72981425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 106546752

約数和(自身を除く): 33565327

約数列:

[1, 5, 11, 17, 25, 55, 67, 85, 187, 233, 275, 335, 425, 737, 935, 1139, 1165, 1675, 2563, 3685, 3961, 4675, 5695, 5825, 12529, 12815, 15611, 18425, 19805, 28475, 43571, 62645, 64075, 78055, 99025, 171721, 217855, 265387, 313225, 390275, 858605, 1089275, 1326935, 2919257, 4293025, 6634675, 14596285, 72981425]

約数ペア:

[(1, 72981425), (5, 14596285), (11, 6634675), (17, 4293025), (25, 2919257), (55, 1326935), (67, 1089275), (85, 858605), (187, 390275), (233, 313225), (275, 265387), (335, 217855), (425, 171721), (737, 99025), (935, 78055), (1139, 64075), (1165, 62645), (1675, 43571), (2563, 28475), (3685, 19805), (3961, 18425), (4675, 15611), (5695, 12815), (5825, 12529)]