199018508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{22123}}^1$

素因数の和:22313

約数の個数: 24

約数和(自身を含む): 377258448

約数和(自身を除く): 178239940

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 22123, 44246, 88492, 287599, 575198, 1150396, 3827279, 7654558, 15309116, 49754627, 99509254, 199018508]

約数ペア:

[(1, 199018508), (2, 99509254), (4, 49754627), (13, 15309116), (26, 7654558), (52, 3827279), (173, 1150396), (346, 575198), (692, 287599), (2249, 88492), (4498, 44246), (8996, 22123)]