1888776721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{371587}}^1$

素因数の和:371640

約数の個数: 16

約数和(自身を含む): 2247364224

約数和(自身を除く): 358587503

約数列:

[1, 13, 17, 23, 221, 299, 391, 5083, 371587, 4830631, 6316979, 8546501, 82120727, 111104513, 145290517, 1888776721]

約数ペア:

[(1, 1888776721), (13, 145290517), (17, 111104513), (23, 82120727), (221, 8546501), (299, 6316979), (391, 4830631), (5083, 371587)]