196562009

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{641}}^1$

素因数の和:1336

約数の個数: 16

約数和(自身を含む): 228531456

約数和(自身を除く): 31969447

約数列:

[1, 7, 71, 497, 617, 641, 4319, 4487, 43807, 45511, 306649, 318577, 395497, 2768479, 28080287, 196562009]

約数ペア:

[(1, 196562009), (7, 28080287), (71, 2768479), (497, 395497), (617, 318577), (641, 306649), (4319, 45511), (4487, 43807)]