199718812

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 353210256

約数和(自身を除く): 153491444

約数列:

[1, 2, 4, 173, 257, 346, 514, 692, 1028, 1123, 2246, 4492, 44461, 88922, 177844, 194279, 288611, 388558, 577222, 777116, 1154444, 49929703, 99859406, 199718812]

約数ペア:

[(1, 199718812), (2, 99859406), (4, 49929703), (173, 1154444), (257, 777116), (346, 577222), (514, 388558), (692, 288611), (1028, 194279), (1123, 177844), (2246, 88922), (4492, 44461)]