204564415

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 287356608

約数和(自身を除く): 82792193

約数列:

[1, 5, 11, 23, 55, 61, 115, 121, 241, 253, 305, 605, 671, 1205, 1265, 1403, 2651, 2783, 3355, 5543, 7015, 7381, 13255, 13915, 14701, 15433, 27715, 29161, 36905, 60973, 73505, 77165, 145805, 161711, 169763, 304865, 338123, 670703, 808555, 848815, 1690615, 1778821, 3353515, 3719353, 8894105, 18596765, 40912883, 204564415]

約数ペア:

[(1, 204564415), (5, 40912883), (11, 18596765), (23, 8894105), (55, 3719353), (61, 3353515), (115, 1778821), (121, 1690615), (241, 848815), (253, 808555), (305, 670703), (605, 338123), (671, 304865), (1205, 169763), (1265, 161711), (1403, 145805), (2651, 77165), (2783, 73505), (3355, 60973), (5543, 36905), (7015, 29161), (7381, 27715), (13255, 15433), (13915, 14701)]