1638032

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:287

約数の個数: 40

約数和(自身を含む): 3562272

約数和(自身を除く): 1924240

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 227, 328, 451, 454, 656, 902, 908, 1804, 1816, 2497, 3608, 3632, 4994, 7216, 9307, 9988, 18614, 19976, 37228, 39952, 74456, 102377, 148912, 204754, 409508, 819016, 1638032]

約数ペア:

[(1, 1638032), (2, 819016), (4, 409508), (8, 204754), (11, 148912), (16, 102377), (22, 74456), (41, 39952), (44, 37228), (82, 19976), (88, 18614), (164, 9988), (176, 9307), (227, 7216), (328, 4994), (451, 3632), (454, 3608), (656, 2497), (902, 1816), (908, 1804)]