1780491776

素因数分解:

$2^9\times 7^1\times {\mathrm{496789}}^1$

素因数の和:496814

約数の個数: 40

約数和(自身を含む): 4065729360

約数和(自身を除く): 2285237584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 496789, 993578, 1987156, 3477523, 3974312, 6955046, 7948624, 13910092, 15897248, 27820184, 31794496, 55640368, 63588992, 111280736, 127177984, 222561472, 254355968, 445122944, 890245888, 1780491776]

約数ペア:

[(1, 1780491776), (2, 890245888), (4, 445122944), (7, 254355968), (8, 222561472), (14, 127177984), (16, 111280736), (28, 63588992), (32, 55640368), (56, 31794496), (64, 27820184), (112, 15897248), (128, 13910092), (224, 7948624), (256, 6955046), (448, 3974312), (512, 3477523), (896, 1987156), (1792, 993578), (3584, 496789)]