261467604

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2689}}^1$

素因数の和:2809

約数の個数: 72

約数和(自身を含む): 688349480

約数和(自身を除く): 426881876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 73, 74, 111, 146, 148, 219, 222, 292, 333, 438, 444, 657, 666, 876, 1314, 1332, 2628, 2689, 2701, 5378, 5402, 8067, 8103, 10756, 10804, 16134, 16206, 24201, 24309, 32268, 32412, 48402, 48618, 96804, 97236, 99493, 196297, 198986, 298479, 392594, 397972, 588891, 596958, 785188, 895437, 1177782, 1193916, 1766673, 1790874, 2355564, 3533346, 3581748, 7066692, 7262989, 14525978, 21788967, 29051956, 43577934, 65366901, 87155868, 130733802, 261467604]

約数ペア:

[(1, 261467604), (2, 130733802), (3, 87155868), (4, 65366901), (6, 43577934), (9, 29051956), (12, 21788967), (18, 14525978), (36, 7262989), (37, 7066692), (73, 3581748), (74, 3533346), (111, 2355564), (146, 1790874), (148, 1766673), (219, 1193916), (222, 1177782), (292, 895437), (333, 785188), (438, 596958), (444, 588891), (657, 397972), (666, 392594), (876, 298479), (1314, 198986), (1332, 196297), (2628, 99493), (2689, 97236), (2701, 96804), (5378, 48618), (5402, 48402), (8067, 32412), (8103, 32268), (10756, 24309), (10804, 24201), (16134, 16206)]