208396045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{761}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 294948864

約数和(自身を除く): 86552819

約数列:

[1, 5, 11, 13, 55, 65, 143, 383, 715, 761, 1915, 3805, 4213, 4979, 8371, 9893, 21065, 24895, 41855, 49465, 54769, 108823, 273845, 291463, 544115, 1457315, 3206093, 3789019, 16030465, 18945095, 41679209, 208396045]

約数ペア:

[(1, 208396045), (5, 41679209), (11, 18945095), (13, 16030465), (55, 3789019), (65, 3206093), (143, 1457315), (383, 544115), (715, 291463), (761, 273845), (1915, 108823), (3805, 54769), (4213, 49465), (4979, 41855), (8371, 24895), (9893, 21065)]