644903956

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{3259}}^1$

素因数の和:4135

約数の個数: 24

約数和(自身を含む): 1148850080

約数和(自身を除く): 503946124

約数列:

[1, 2, 4, 61, 122, 244, 811, 1622, 3244, 3259, 6518, 13036, 49471, 98942, 197884, 198799, 397598, 795196, 2643049, 5286098, 10572196, 161225989, 322451978, 644903956]

約数ペア:

[(1, 644903956), (2, 322451978), (4, 161225989), (61, 10572196), (122, 5286098), (244, 2643049), (811, 795196), (1622, 397598), (3244, 198799), (3259, 197884), (6518, 98942), (13036, 49471)]