820325336

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{2293}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 1553405040

約数和(自身を除く): 733079704

約数列:

[1, 2, 4, 8, 197, 227, 394, 454, 788, 908, 1576, 1816, 2293, 4586, 9172, 18344, 44719, 89438, 178876, 357752, 451721, 520511, 903442, 1041022, 1806884, 2082044, 3613768, 4164088, 102540667, 205081334, 410162668, 820325336]

約数ペア:

[(1, 820325336), (2, 410162668), (4, 205081334), (8, 102540667), (197, 4164088), (227, 3613768), (394, 2082044), (454, 1806884), (788, 1041022), (908, 903442), (1576, 520511), (1816, 451721), (2293, 357752), (4586, 178876), (9172, 89438), (18344, 44719)]