257963399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{641}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 277344000

約数和(自身を除く): 19380601

約数列:

[1, 19, 59, 359, 641, 1121, 6821, 12179, 21181, 37819, 230119, 402439, 718561, 4372261, 13577021, 257963399]

約数ペア:

[(1, 257963399), (19, 13577021), (59, 4372261), (359, 718561), (641, 402439), (1121, 230119), (6821, 37819), (12179, 21181)]