399763968

素因数分解:

$2^9\times 3^1\times {\mathrm{260263}}^1$

素因数の和:260284

約数の個数: 40

約数和(自身を含む): 1065000288

約数和(自身を除く): 665236320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 260263, 520526, 780789, 1041052, 1561578, 2082104, 3123156, 4164208, 6246312, 8328416, 12492624, 16656832, 24985248, 33313664, 49970496, 66627328, 99940992, 133254656, 199881984, 399763968]

約数ペア:

[(1, 399763968), (2, 199881984), (3, 133254656), (4, 99940992), (6, 66627328), (8, 49970496), (12, 33313664), (16, 24985248), (24, 16656832), (32, 12492624), (48, 8328416), (64, 6246312), (96, 4164208), (128, 3123156), (192, 2082104), (256, 1561578), (384, 1041052), (512, 780789), (768, 520526), (1536, 260263)]