217317079

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{12473}}^1$

素因数の和:12630

約数の個数: 16

約数和(自身を含む): 263450880

約数和(自身を除く): 46133801

約数列:

[1, 7, 19, 131, 133, 917, 2489, 12473, 17423, 87311, 236987, 1633963, 1658909, 11437741, 31045297, 217317079]

約数ペア:

[(1, 217317079), (7, 31045297), (19, 11437741), (131, 1658909), (133, 1633963), (917, 236987), (2489, 87311), (12473, 17423)]