81021898

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{22271}}^1$

素因数の和:22397

約数の個数: 16

約数和(自身を含む): 129890304

約数和(自身を除く): 48868406

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 22271, 44542, 378607, 757214, 2382997, 4765994, 40510949, 81021898]

約数ペア:

[(1, 81021898), (2, 40510949), (17, 4765994), (34, 2382997), (107, 757214), (214, 378607), (1819, 44542), (3638, 22271)]