987375872

素因数分解:

$2^8\times 7^2\times {\mathrm{78713}}^1$

素因数の和:78743

約数の個数: 54

約数和(自身を含む): 2292702678

約数和(自身を除く): 1305326806

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 78713, 157426, 314852, 550991, 629704, 1101982, 1259408, 2203964, 2518816, 3856937, 4407928, 5037632, 7713874, 8815856, 10075264, 15427748, 17631712, 20150528, 30855496, 35263424, 61710992, 70526848, 123421984, 141053696, 246843968, 493687936, 987375872]

約数ペア:

[(1, 987375872), (2, 493687936), (4, 246843968), (7, 141053696), (8, 123421984), (14, 70526848), (16, 61710992), (28, 35263424), (32, 30855496), (49, 20150528), (56, 17631712), (64, 15427748), (98, 10075264), (112, 8815856), (128, 7713874), (196, 5037632), (224, 4407928), (256, 3856937), (392, 2518816), (448, 2203964), (784, 1259408), (896, 1101982), (1568, 629704), (1792, 550991), (3136, 314852), (6272, 157426), (12544, 78713)]