16321903

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 18369792

約数和(自身を除く): 2047889

約数列:

[1, 13, 31, 101, 401, 403, 1313, 3131, 5213, 12431, 40501, 40703, 161603, 526513, 1255531, 16321903]

約数ペア:

[(1, 16321903), (13, 1255531), (31, 526513), (101, 161603), (401, 40703), (403, 40501), (1313, 12431), (3131, 5213)]