199289318

素因数分解:

$2^1\times {\mathrm{61}}^3\times {\mathrm{439}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 304608480

約数和(自身を除く): 105319162

約数列:

[1, 2, 61, 122, 439, 878, 3721, 7442, 26779, 53558, 226981, 453962, 1633519, 3267038, 99644659, 199289318]

約数ペア:

[(1, 199289318), (2, 99644659), (61, 3267038), (122, 1633519), (439, 453962), (878, 226981), (3721, 53558), (7442, 26779)]