81190616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{780679}}^1$

素因数の和:780698

約数の個数: 16

約数和(自身を含む): 163942800

約数和(自身を除く): 82752184

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 780679, 1561358, 3122716, 6245432, 10148827, 20297654, 40595308, 81190616]

約数ペア:

[(1, 81190616), (2, 40595308), (4, 20297654), (8, 10148827), (13, 6245432), (26, 3122716), (52, 1561358), (104, 780679)]