158980213

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{5557}}^1$

素因数の和:5692

約数の個数: 16

約数和(自身を含む): 187460224

約数和(自身を除く): 28480011

約数列:

[1, 7, 61, 67, 427, 469, 4087, 5557, 28609, 38899, 338977, 372319, 2372839, 2606233, 22711459, 158980213]

約数ペア:

[(1, 158980213), (7, 22711459), (61, 2606233), (67, 2372839), (427, 372319), (469, 338977), (4087, 38899), (5557, 28609)]