257929157085

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1\times {\mathrm{6793}}^1$

素因数の和:7478

約数の個数: 64

約数和(自身を含む): 430154772480

約数和(自身を除く): 172225615395

約数列:

[1, 3, 5, 15, 29, 87, 145, 191, 435, 457, 573, 955, 1371, 2285, 2865, 5539, 6793, 6855, 13253, 16617, 20379, 27695, 33965, 39759, 66265, 83085, 87287, 101895, 196997, 198795, 261861, 436435, 590991, 984985, 1297463, 1309305, 2531323, 2954955, 3104401, 3892389, 6487315, 7593969, 9313203, 12656615, 15522005, 19461945, 37626427, 37969845, 46566015, 90027629, 112879281, 188132135, 270082887, 450138145, 564396405, 592940591, 1350414435, 1778821773, 2964702955, 8894108865, 17195277139, 51585831417, 85976385695, 257929157085]

約数ペア:

[(1, 257929157085), (3, 85976385695), (5, 51585831417), (15, 17195277139), (29, 8894108865), (87, 2964702955), (145, 1778821773), (191, 1350414435), (435, 592940591), (457, 564396405), (573, 450138145), (955, 270082887), (1371, 188132135), (2285, 112879281), (2865, 90027629), (5539, 46566015), (6793, 37969845), (6855, 37626427), (13253, 19461945), (16617, 15522005), (20379, 12656615), (27695, 9313203), (33965, 7593969), (39759, 6487315), (66265, 3892389), (83085, 3104401), (87287, 2954955), (101895, 2531323), (196997, 1309305), (198795, 1297463), (261861, 984985), (436435, 590991)]