208553675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 295293600

約数和(自身を除く): 86739925

約数列:

[1, 5, 11, 25, 41, 53, 55, 205, 265, 275, 349, 451, 583, 1025, 1325, 1745, 2173, 2255, 2915, 3839, 8725, 10865, 11275, 14309, 14575, 18497, 19195, 23903, 54325, 71545, 92485, 95975, 119515, 157399, 203467, 357725, 462425, 597575, 758377, 786995, 1017335, 3791885, 3934975, 5086675, 8342147, 18959425, 41710735, 208553675]

約数ペア:

[(1, 208553675), (5, 41710735), (11, 18959425), (25, 8342147), (41, 5086675), (53, 3934975), (55, 3791885), (205, 1017335), (265, 786995), (275, 758377), (349, 597575), (451, 462425), (583, 357725), (1025, 203467), (1325, 157399), (1745, 119515), (2173, 95975), (2255, 92485), (2915, 71545), (3839, 54325), (8725, 23903), (10865, 19195), (11275, 18497), (14309, 14575)]