279814444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40459}}^1$

素因数の和:40502

約数の個数: 48

約数和(自身を含む): 634412800

約数和(自身を除く): 354598356

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 40459, 80918, 161836, 283213, 525967, 566426, 768721, 1051934, 1132852, 1537442, 2103868, 3074884, 3681769, 5381047, 7363538, 9993373, 10762094, 14727076, 19986746, 21524188, 39973492, 69953611, 139907222, 279814444]

約数ペア:

[(1, 279814444), (2, 139907222), (4, 69953611), (7, 39973492), (13, 21524188), (14, 19986746), (19, 14727076), (26, 10762094), (28, 9993373), (38, 7363538), (52, 5381047), (76, 3681769), (91, 3074884), (133, 2103868), (182, 1537442), (247, 1132852), (266, 1051934), (364, 768721), (494, 566426), (532, 525967), (988, 283213), (1729, 161836), (3458, 80918), (6916, 40459)]