28771858

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{691}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 43845120

約数和(自身を除く): 15073262

約数列:

[1, 2, 109, 191, 218, 382, 691, 1382, 20819, 41638, 75319, 131981, 150638, 263962, 14385929, 28771858]

約数ペア:

[(1, 28771858), (2, 14385929), (109, 263962), (191, 150638), (218, 131981), (382, 75319), (691, 41638), (1382, 20819)]