278857984

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{57331}}^1$

素因数の和:57366

約数の個数: 36

約数和(自身を含む): 585933040

約数和(自身を除く): 307075056

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 57331, 114662, 229324, 458648, 917296, 1089289, 1834592, 2178578, 3669184, 4357156, 7338368, 8714312, 14676736, 17428624, 34857248, 69714496, 139428992, 278857984]

約数ペア:

[(1, 278857984), (2, 139428992), (4, 69714496), (8, 34857248), (16, 17428624), (19, 14676736), (32, 8714312), (38, 7338368), (64, 4357156), (76, 3669184), (128, 2178578), (152, 1834592), (256, 1089289), (304, 917296), (608, 458648), (1216, 229324), (2432, 114662), (4864, 57331)]