388980977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5657}}^1$

素因数の和:5741

約数の個数: 32

約数和(自身を含む): 521441280

約数和(自身を除く): 132460303

約数列:

[1, 7, 11, 19, 47, 77, 133, 209, 329, 517, 893, 1463, 3619, 5657, 6251, 9823, 39599, 62227, 68761, 107483, 265879, 435589, 752381, 1182313, 1861153, 2924669, 5051701, 8276191, 20472683, 35361907, 55568711, 388980977]

約数ペア:

[(1, 388980977), (7, 55568711), (11, 35361907), (19, 20472683), (47, 8276191), (77, 5051701), (133, 2924669), (209, 1861153), (329, 1182313), (517, 752381), (893, 435589), (1463, 265879), (3619, 107483), (5657, 68761), (6251, 62227), (9823, 39599)]