646046656

素因数分解:

$2^6\times {\mathrm{193}}^2\times {\mathrm{271}}^1$

素因数の和:669

約数の個数: 42

約数和(自身を含む): 1293430992

約数和(自身を除く): 647384336

約数列:

[1, 2, 4, 8, 16, 32, 64, 193, 271, 386, 542, 772, 1084, 1544, 2168, 3088, 4336, 6176, 8672, 12352, 17344, 37249, 52303, 74498, 104606, 148996, 209212, 297992, 418424, 595984, 836848, 1191968, 1673696, 2383936, 3347392, 10094479, 20188958, 40377916, 80755832, 161511664, 323023328, 646046656]

約数ペア:

[(1, 646046656), (2, 323023328), (4, 161511664), (8, 80755832), (16, 40377916), (32, 20188958), (64, 10094479), (193, 3347392), (271, 2383936), (386, 1673696), (542, 1191968), (772, 836848), (1084, 595984), (1544, 418424), (2168, 297992), (3088, 209212), (4336, 148996), (6176, 104606), (8672, 74498), (12352, 52303), (17344, 37249)]