257200021

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1\times {\mathrm{1321}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 293833008

約数和(自身を除く): 36632987

約数列:

[1, 13, 17, 221, 881, 1321, 11453, 14977, 17173, 22457, 194701, 291941, 1163801, 15129413, 19784617, 257200021]

約数ペア:

[(1, 257200021), (13, 19784617), (17, 15129413), (221, 1163801), (881, 291941), (1321, 194701), (11453, 22457), (14977, 17173)]