257895936

素因数分解:

$2^9\times 3^2\times {\mathrm{55967}}^1$

素因数の和:55991

約数の個数: 60

約数和(自身を含む): 744318432

約数和(自身を除く): 486422496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 55967, 111934, 167901, 223868, 335802, 447736, 503703, 671604, 895472, 1007406, 1343208, 1790944, 2014812, 2686416, 3581888, 4029624, 5372832, 7163776, 8059248, 10745664, 14327552, 16118496, 21491328, 28655104, 32236992, 42982656, 64473984, 85965312, 128947968, 257895936]

約数ペア:

[(1, 257895936), (2, 128947968), (3, 85965312), (4, 64473984), (6, 42982656), (8, 32236992), (9, 28655104), (12, 21491328), (16, 16118496), (18, 14327552), (24, 10745664), (32, 8059248), (36, 7163776), (48, 5372832), (64, 4029624), (72, 3581888), (96, 2686416), (128, 2014812), (144, 1790944), (192, 1343208), (256, 1007406), (288, 895472), (384, 671604), (512, 503703), (576, 447736), (768, 335802), (1152, 223868), (1536, 167901), (2304, 111934), (4608, 55967)]