199016816

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139759}}^1$

素因数の和:139856

約数の個数: 20

約数和(自身を含む): 389930400

約数和(自身を除く): 190913584

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 139759, 279518, 559036, 1118072, 2236144, 12438551, 24877102, 49754204, 99508408, 199016816]

約数ペア:

[(1, 199016816), (2, 99508408), (4, 49754204), (8, 24877102), (16, 12438551), (89, 2236144), (178, 1118072), (356, 559036), (712, 279518), (1424, 139759)]