644609852

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{1471}}^1\times {\mathrm{1543}}^1$

素因数の和:3089

約数の個数: 24

約数和(自身を含む): 1145475072

約数和(自身を除く): 500865220

約数列:

[1, 2, 4, 71, 142, 284, 1471, 1543, 2942, 3086, 5884, 6172, 104441, 109553, 208882, 219106, 417764, 438212, 2269753, 4539506, 9079012, 161152463, 322304926, 644609852]

約数ペア:

[(1, 644609852), (2, 322304926), (4, 161152463), (71, 9079012), (142, 4539506), (284, 2269753), (1471, 438212), (1543, 417764), (2942, 219106), (3086, 208882), (5884, 109553), (6172, 104441)]