66788516

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{647}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 118552896

約数和(自身を除く): 51764380

約数列:

[1, 2, 4, 131, 197, 262, 394, 524, 647, 788, 1294, 2588, 25807, 51614, 84757, 103228, 127459, 169514, 254918, 339028, 509836, 16697129, 33394258, 66788516]

約数ペア:

[(1, 66788516), (2, 33394258), (4, 16697129), (131, 509836), (197, 339028), (262, 254918), (394, 169514), (524, 127459), (647, 103228), (788, 84757), (1294, 51614), (2588, 25807)]