213103684

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{647}}^1\times {\mathrm{1229}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 379391040

約数和(自身を除く): 166287356

約数列:

[1, 2, 4, 67, 134, 268, 647, 1229, 1294, 2458, 2588, 4916, 43349, 82343, 86698, 164686, 173396, 329372, 795163, 1590326, 3180652, 53275921, 106551842, 213103684]

約数ペア:

[(1, 213103684), (2, 106551842), (4, 53275921), (67, 3180652), (134, 1590326), (268, 795163), (647, 329372), (1229, 173396), (1294, 164686), (2458, 86698), (2588, 82343), (4916, 43349)]