199928305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1009}}^1\times {\mathrm{1723}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 250738560

約数和(自身を除く): 50810255

約数列:

[1, 5, 23, 115, 1009, 1723, 5045, 8615, 23207, 39629, 116035, 198145, 1738507, 8692535, 39985661, 199928305]

約数ペア:

[(1, 199928305), (5, 39985661), (23, 8692535), (115, 1738507), (1009, 198145), (1723, 116035), (5045, 39629), (8615, 23207)]