2040907561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{1117}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 2595191040

約数和(自身を除く): 554283479

約数列:

[1, 7, 11, 61, 77, 389, 427, 671, 1117, 2723, 4279, 4697, 7819, 12287, 23729, 29953, 68137, 86009, 166103, 261019, 434513, 476959, 749507, 1827133, 3041591, 4779643, 5246549, 26505293, 33457501, 185537051, 291558223, 2040907561]

約数ペア:

[(1, 2040907561), (7, 291558223), (11, 185537051), (61, 33457501), (77, 26505293), (389, 5246549), (427, 4779643), (671, 3041591), (1117, 1827133), (2723, 749507), (4279, 476959), (4697, 434513), (7819, 261019), (12287, 166103), (23729, 86009), (29953, 68137)]