198189457921

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1\times {\mathrm{306359}}^1$

素因数の和:313488

約数の個数: 16

約数和(自身を含む): 243960595200

約数和(自身を除く): 45771137279

約数列:

[1, 7, 13, 91, 7109, 49763, 92417, 306359, 646919, 2144513, 3982667, 27878669, 2177906131, 15245342917, 28312779703, 198189457921]

約数ペア:

[(1, 198189457921), (7, 28312779703), (13, 15245342917), (91, 2177906131), (7109, 27878669), (49763, 3982667), (92417, 2144513), (306359, 646919)]