521681504

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{1399}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 1055577600

約数和(自身を除く): 533896096

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 271, 344, 542, 688, 1084, 1376, 1399, 2168, 2798, 4336, 5596, 8672, 11192, 11653, 22384, 23306, 44768, 46612, 60157, 93224, 120314, 186448, 240628, 372896, 379129, 481256, 758258, 962512, 1516516, 1925024, 3033032, 6066064, 12132128, 16302547, 32605094, 65210188, 130420376, 260840752, 521681504]

約数ペア:

[(1, 521681504), (2, 260840752), (4, 130420376), (8, 65210188), (16, 32605094), (32, 16302547), (43, 12132128), (86, 6066064), (172, 3033032), (271, 1925024), (344, 1516516), (542, 962512), (688, 758258), (1084, 481256), (1376, 379129), (1399, 372896), (2168, 240628), (2798, 186448), (4336, 120314), (5596, 93224), (8672, 60157), (11192, 46612), (11653, 44768), (22384, 23306)]