1275988864

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2473}}^1$

素因数の和:2655

約数の個数: 64

約数和(自身を含む): 2649654000

約数和(自身を除く): 1373665136

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 139, 232, 278, 464, 556, 928, 1112, 1856, 2224, 2473, 3712, 4031, 4448, 4946, 8062, 8896, 9892, 16124, 17792, 19784, 32248, 39568, 64496, 71717, 79136, 128992, 143434, 158272, 257984, 286868, 316544, 343747, 515968, 573736, 687494, 1147472, 1374988, 2294944, 2749976, 4589888, 5499952, 9179776, 9968663, 10999904, 19937326, 21999808, 39874652, 43999616, 79749304, 159498608, 318997216, 637994432, 1275988864]

約数ペア:

[(1, 1275988864), (2, 637994432), (4, 318997216), (8, 159498608), (16, 79749304), (29, 43999616), (32, 39874652), (58, 21999808), (64, 19937326), (116, 10999904), (128, 9968663), (139, 9179776), (232, 5499952), (278, 4589888), (464, 2749976), (556, 2294944), (928, 1374988), (1112, 1147472), (1856, 687494), (2224, 573736), (2473, 515968), (3712, 343747), (4031, 316544), (4448, 286868), (4946, 257984), (8062, 158272), (8896, 143434), (9892, 128992), (16124, 79136), (17792, 71717), (19784, 64496), (32248, 39568)]