721946238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{6569}}^1$

素因数の和:7996

約数の個数: 32

約数和(自身を含む): 1556301600

約数和(自身を除く): 834355362

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1409, 2818, 4227, 6569, 8454, 13138, 18317, 19707, 36634, 39414, 54951, 85397, 109902, 170794, 256191, 512382, 9255721, 18511442, 27767163, 55534326, 120324373, 240648746, 360973119, 721946238]

約数ペア:

[(1, 721946238), (2, 360973119), (3, 240648746), (6, 120324373), (13, 55534326), (26, 27767163), (39, 18511442), (78, 9255721), (1409, 512382), (2818, 256191), (4227, 170794), (6569, 109902), (8454, 85397), (13138, 54951), (18317, 39414), (19707, 36634)]