1990446976

素因数分解:

$2^7\times 7^1\times {\mathrm{1451}}^1\times {\mathrm{1531}}^1$

素因数の和:3003

約数の個数: 64

約数和(自身を含む): 4537906560

約数和(自身を除く): 2547459584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 1451, 1531, 2902, 3062, 5804, 6124, 10157, 10717, 11608, 12248, 20314, 21434, 23216, 24496, 40628, 42868, 46432, 48992, 81256, 85736, 92864, 97984, 162512, 171472, 185728, 195968, 325024, 342944, 650048, 685888, 1300096, 1371776, 2221481, 4442962, 8885924, 15550367, 17771848, 31100734, 35543696, 62201468, 71087392, 124402936, 142174784, 248805872, 284349568, 497611744, 995223488, 1990446976]

約数ペア:

[(1, 1990446976), (2, 995223488), (4, 497611744), (7, 284349568), (8, 248805872), (14, 142174784), (16, 124402936), (28, 71087392), (32, 62201468), (56, 35543696), (64, 31100734), (112, 17771848), (128, 15550367), (224, 8885924), (448, 4442962), (896, 2221481), (1451, 1371776), (1531, 1300096), (2902, 685888), (3062, 650048), (5804, 342944), (6124, 325024), (10157, 195968), (10717, 185728), (11608, 171472), (12248, 162512), (20314, 97984), (21434, 92864), (23216, 85736), (24496, 81256), (40628, 48992), (42868, 46432)]