261509652

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 675554880

約数和(自身を除く): 414045228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 151, 219, 292, 302, 438, 453, 604, 657, 659, 876, 906, 1314, 1318, 1359, 1812, 1977, 2628, 2636, 2718, 3954, 5436, 5931, 7908, 11023, 11862, 22046, 23724, 33069, 44092, 48107, 66138, 96214, 99207, 99509, 132276, 144321, 192428, 198414, 199018, 288642, 298527, 396828, 398036, 432963, 577284, 597054, 865926, 895581, 1194108, 1731852, 1791162, 3582324, 7264157, 14528314, 21792471, 29056628, 43584942, 65377413, 87169884, 130754826, 261509652]

約数ペア:

[(1, 261509652), (2, 130754826), (3, 87169884), (4, 65377413), (6, 43584942), (9, 29056628), (12, 21792471), (18, 14528314), (36, 7264157), (73, 3582324), (146, 1791162), (151, 1731852), (219, 1194108), (292, 895581), (302, 865926), (438, 597054), (453, 577284), (604, 432963), (657, 398036), (659, 396828), (876, 298527), (906, 288642), (1314, 199018), (1318, 198414), (1359, 192428), (1812, 144321), (1977, 132276), (2628, 99509), (2636, 99207), (2718, 96214), (3954, 66138), (5436, 48107), (5931, 44092), (7908, 33069), (11023, 23724), (11862, 22046)]