221842816

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{133319}}^1$

素因数の和:133346

約数の個数: 32

約数和(自身を含む): 475952400

約数和(自身を除く): 254109584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 133319, 266638, 533276, 1066552, 1733147, 2133104, 3466294, 4266208, 6932588, 8532416, 13865176, 17064832, 27730352, 55460704, 110921408, 221842816]

約数ペア:

[(1, 221842816), (2, 110921408), (4, 55460704), (8, 27730352), (13, 17064832), (16, 13865176), (26, 8532416), (32, 6932588), (52, 4266208), (64, 3466294), (104, 2133104), (128, 1733147), (208, 1066552), (416, 533276), (832, 266638), (1664, 133319)]