398889439

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{15679}}^1$

素因数の和:15814

約数の個数: 16

約数和(自身を含む): 456601600

約数和(自身を除く): 57712161

約数列:

[1, 13, 19, 103, 247, 1339, 1957, 15679, 25441, 203827, 297901, 1614937, 3872713, 20994181, 30683803, 398889439]

約数ペア:

[(1, 398889439), (13, 30683803), (19, 20994181), (103, 3872713), (247, 1614937), (1339, 297901), (1957, 203827), (15679, 25441)]