87199028

素因数分解:

$2^2\times 7^2\times {\mathrm{444893}}^1$

素因数の和:444911

約数の個数: 18

約数和(自身を含む): 177512706

約数和(自身を除く): 90313678

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 444893, 889786, 1779572, 3114251, 6228502, 12457004, 21799757, 43599514, 87199028]

約数ペア:

[(1, 87199028), (2, 43599514), (4, 21799757), (7, 12457004), (14, 6228502), (28, 3114251), (49, 1779572), (98, 889786), (196, 444893)]