128377912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{3257}}^1$

素因数の和:3655

約数の個数: 32

約数和(自身を含む): 259988400

約数和(自身を除く): 131610488

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 379, 758, 1516, 3032, 3257, 4927, 6514, 9854, 13028, 19708, 26056, 39416, 42341, 84682, 169364, 338728, 1234403, 2468806, 4937612, 9875224, 16047239, 32094478, 64188956, 128377912]

約数ペア:

[(1, 128377912), (2, 64188956), (4, 32094478), (8, 16047239), (13, 9875224), (26, 4937612), (52, 2468806), (104, 1234403), (379, 338728), (758, 169364), (1516, 84682), (3032, 42341), (3257, 39416), (4927, 26056), (6514, 19708), (9854, 13028)]