400902688

素因数分解:

$2^5\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 800785440

約数和(自身を除く): 399882752

約数列:

[1, 2, 4, 8, 16, 32, 139, 193, 278, 386, 467, 556, 772, 934, 1112, 1544, 1868, 2224, 3088, 3736, 4448, 6176, 7472, 14944, 26827, 53654, 64913, 90131, 107308, 129826, 180262, 214616, 259652, 360524, 429232, 519304, 721048, 858464, 1038608, 1442096, 2077216, 2884192, 12528209, 25056418, 50112836, 100225672, 200451344, 400902688]

約数ペア:

[(1, 400902688), (2, 200451344), (4, 100225672), (8, 50112836), (16, 25056418), (32, 12528209), (139, 2884192), (193, 2077216), (278, 1442096), (386, 1038608), (467, 858464), (556, 721048), (772, 519304), (934, 429232), (1112, 360524), (1544, 259652), (1868, 214616), (2224, 180262), (3088, 129826), (3736, 107308), (4448, 90131), (6176, 64913), (7472, 53654), (14944, 26827)]