278314421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{5419}}^1$

素因数の和:5489

約数の個数: 32

約数和(自身を含む): 374630400

約数和(自身を除く): 96315979

約数列:

[1, 7, 11, 23, 29, 77, 161, 203, 253, 319, 667, 1771, 2233, 4669, 5419, 7337, 37933, 51359, 59609, 124637, 157151, 417263, 872459, 1100057, 1371007, 1728661, 3614473, 9597049, 12100627, 25301311, 39759203, 278314421]

約数ペア:

[(1, 278314421), (7, 39759203), (11, 25301311), (23, 12100627), (29, 9597049), (77, 3614473), (161, 1728661), (203, 1371007), (253, 1100057), (319, 872459), (667, 417263), (1771, 157151), (2233, 124637), (4669, 59609), (5419, 51359), (7337, 37933)]