257661312

素因数分解:

$2^7\times 3^1\times {\mathrm{283}}^1\times {\mathrm{2371}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 687120960

約数和(自身を除く): 429459648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 283, 384, 566, 849, 1132, 1698, 2264, 2371, 3396, 4528, 4742, 6792, 7113, 9056, 9484, 13584, 14226, 18112, 18968, 27168, 28452, 36224, 37936, 54336, 56904, 75872, 108672, 113808, 151744, 227616, 303488, 455232, 670993, 910464, 1341986, 2012979, 2683972, 4025958, 5367944, 8051916, 10735888, 16103832, 21471776, 32207664, 42943552, 64415328, 85887104, 128830656, 257661312]

約数ペア:

[(1, 257661312), (2, 128830656), (3, 85887104), (4, 64415328), (6, 42943552), (8, 32207664), (12, 21471776), (16, 16103832), (24, 10735888), (32, 8051916), (48, 5367944), (64, 4025958), (96, 2683972), (128, 2012979), (192, 1341986), (283, 910464), (384, 670993), (566, 455232), (849, 303488), (1132, 227616), (1698, 151744), (2264, 113808), (2371, 108672), (3396, 75872), (4528, 56904), (4742, 54336), (6792, 37936), (7113, 36224), (9056, 28452), (9484, 27168), (13584, 18968), (14226, 18112)]