820768

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:1996

約数の個数: 24

約数和(自身を含む): 1741068

約数和(自身を除く): 920300

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1973, 3946, 7892, 15784, 25649, 31568, 51298, 63136, 102596, 205192, 410384, 820768]

約数ペア:

[(1, 820768), (2, 410384), (4, 205192), (8, 102596), (13, 63136), (16, 51298), (26, 31568), (32, 25649), (52, 15784), (104, 7892), (208, 3946), (416, 1973)]