2217904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10684

約数の個数: 20

約数和(自身を含む): 4628176

約数和(自身を除く): 2410272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 10663, 21326, 42652, 85304, 138619, 170608, 277238, 554476, 1108952, 2217904]

約数ペア:

[(1, 2217904), (2, 1108952), (4, 554476), (8, 277238), (13, 170608), (16, 138619), (26, 85304), (52, 42652), (104, 21326), (208, 10663)]