689565994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1\times {\mathrm{797}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 1129355136

約数和(自身を除く): 439789142

約数列:

[1, 2, 13, 26, 107, 214, 311, 622, 797, 1391, 1594, 2782, 4043, 8086, 10361, 20722, 33277, 66554, 85279, 170558, 247867, 432601, 495734, 865202, 1108627, 2217254, 3222271, 6444542, 26521769, 53043538, 344782997, 689565994]

約数ペア:

[(1, 689565994), (2, 344782997), (13, 53043538), (26, 26521769), (107, 6444542), (214, 3222271), (311, 2217254), (622, 1108627), (797, 865202), (1391, 495734), (1594, 432601), (2782, 247867), (4043, 170558), (8086, 85279), (10361, 66554), (20722, 33277)]