257578352638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{4861}}^1\times {\mathrm{1394441}}^1$

素因数の和:1399323

約数の個数: 16

約数和(自身を含む): 406786620240

約数和(自身を除く): 149208267602

約数列:

[1, 2, 19, 38, 4861, 9722, 92359, 184718, 1394441, 2788882, 26494379, 52988758, 6778377701, 13556755402, 128789176319, 257578352638]

約数ペア:

[(1, 257578352638), (2, 128789176319), (19, 13556755402), (38, 6778377701), (4861, 52988758), (9722, 26494379), (92359, 2788882), (184718, 1394441)]