1257721397

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{15901}}^1$

素因数の和:16124

約数の個数: 16

約数和(自身を含む): 1389198720

約数和(自身を除く): 131477323

約数列:

[1, 19, 23, 181, 437, 3439, 4163, 15901, 79097, 302119, 365723, 2878081, 6948737, 54683539, 66195863, 1257721397]

約数ペア:

[(1, 1257721397), (19, 66195863), (23, 54683539), (181, 6948737), (437, 2878081), (3439, 365723), (4163, 302119), (15901, 79097)]