81573802

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{5099}}^1$

素因数の和:5541

約数の個数: 16

約数和(自身を含む): 129132000

約数和(自身を除く): 47558198

約数列:

[1, 2, 19, 38, 421, 842, 5099, 7999, 10198, 15998, 96881, 193762, 2146679, 4293358, 40786901, 81573802]

約数ペア:

[(1, 81573802), (2, 40786901), (19, 4293358), (38, 2146679), (421, 193762), (842, 96881), (5099, 15998), (7999, 10198)]