1666672

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 3856896

約数和(自身を除く): 2190224

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 647, 1288, 1294, 2576, 2588, 4529, 5176, 9058, 10352, 14881, 18116, 29762, 36232, 59524, 72464, 104167, 119048, 208334, 238096, 416668, 833336, 1666672]

約数ペア:

[(1, 1666672), (2, 833336), (4, 416668), (7, 238096), (8, 208334), (14, 119048), (16, 104167), (23, 72464), (28, 59524), (46, 36232), (56, 29762), (92, 18116), (112, 14881), (161, 10352), (184, 9058), (322, 5176), (368, 4529), (644, 2588), (647, 2576), (1288, 1294)]