388880206

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1741}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 700618464

約数和(自身を除く): 311738258

約数列:

[1, 2, 11, 13, 22, 26, 71, 121, 142, 143, 242, 286, 781, 923, 1562, 1573, 1741, 1846, 3146, 3482, 8591, 10153, 17182, 19151, 20306, 22633, 38302, 45266, 111683, 123611, 210661, 223366, 247222, 248963, 421322, 497926, 1359721, 1606943, 2719442, 2738593, 3213886, 5477186, 14956931, 17676373, 29913862, 35352746, 194440103, 388880206]

約数ペア:

[(1, 388880206), (2, 194440103), (11, 35352746), (13, 29913862), (22, 17676373), (26, 14956931), (71, 5477186), (121, 3213886), (142, 2738593), (143, 2719442), (242, 1606943), (286, 1359721), (781, 497926), (923, 421322), (1562, 248963), (1573, 247222), (1741, 223366), (1846, 210661), (3146, 123611), (3482, 111683), (8591, 45266), (10153, 38302), (17182, 22633), (19151, 20306)]