128476544

素因数分解:

$2^7\times 7^1\times {\mathrm{223}}^1\times {\mathrm{643}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 294282240

約数和(自身を除く): 165805696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 223, 224, 446, 448, 643, 892, 896, 1286, 1561, 1784, 2572, 3122, 3568, 4501, 5144, 6244, 7136, 9002, 10288, 12488, 14272, 18004, 20576, 24976, 28544, 36008, 41152, 49952, 72016, 82304, 99904, 143389, 144032, 199808, 286778, 288064, 573556, 576128, 1003723, 1147112, 2007446, 2294224, 4014892, 4588448, 8029784, 9176896, 16059568, 18353792, 32119136, 64238272, 128476544]

約数ペア:

[(1, 128476544), (2, 64238272), (4, 32119136), (7, 18353792), (8, 16059568), (14, 9176896), (16, 8029784), (28, 4588448), (32, 4014892), (56, 2294224), (64, 2007446), (112, 1147112), (128, 1003723), (223, 576128), (224, 573556), (446, 288064), (448, 286778), (643, 199808), (892, 144032), (896, 143389), (1286, 99904), (1561, 82304), (1784, 72016), (2572, 49952), (3122, 41152), (3568, 36008), (4501, 28544), (5144, 24976), (6244, 20576), (7136, 18004), (9002, 14272), (10288, 12488)]