2689928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 5292000

約数和(自身を除く): 2602072

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 139, 164, 236, 278, 328, 472, 556, 1112, 2419, 4838, 5699, 8201, 9676, 11398, 16402, 19352, 22796, 32804, 45592, 65608, 336241, 672482, 1344964, 2689928]

約数ペア:

[(1, 2689928), (2, 1344964), (4, 672482), (8, 336241), (41, 65608), (59, 45592), (82, 32804), (118, 22796), (139, 19352), (164, 16402), (236, 11398), (278, 9676), (328, 8201), (472, 5699), (556, 4838), (1112, 2419)]