1399691776

素因数分解:

$2^9\times 7^1\times {\mathrm{390539}}^1$

素因数の和:390564

約数の個数: 40

約数和(自身を含む): 3196179360

約数和(自身を除く): 1796487584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 390539, 781078, 1562156, 2733773, 3124312, 5467546, 6248624, 10935092, 12497248, 21870184, 24994496, 43740368, 49988992, 87480736, 99977984, 174961472, 199955968, 349922944, 699845888, 1399691776]

約数ペア:

[(1, 1399691776), (2, 699845888), (4, 349922944), (7, 199955968), (8, 174961472), (14, 99977984), (16, 87480736), (28, 49988992), (32, 43740368), (56, 24994496), (64, 21870184), (112, 12497248), (128, 10935092), (224, 6248624), (256, 5467546), (448, 3124312), (512, 2733773), (896, 1562156), (1792, 781078), (3584, 390539)]