257891328

素因数分解:

$2^{10}\times 3^2\times {\mathrm{27983}}^1$

素因数の和:28009

約数の個数: 66

約数和(自身を含む): 744682224

約数和(自身を除く): 486790896

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, 1024, 1152, 1536, 2304, 3072, 4608, 9216, 27983, 55966, 83949, 111932, 167898, 223864, 251847, 335796, 447728, 503694, 671592, 895456, 1007388, 1343184, 1790912, 2014776, 2686368, 3581824, 4029552, 5372736, 7163648, 8059104, 10745472, 14327296, 16118208, 21490944, 28654592, 32236416, 42981888, 64472832, 85963776, 128945664, 257891328]

約数ペア:

[(1, 257891328), (2, 128945664), (3, 85963776), (4, 64472832), (6, 42981888), (8, 32236416), (9, 28654592), (12, 21490944), (16, 16118208), (18, 14327296), (24, 10745472), (32, 8059104), (36, 7163648), (48, 5372736), (64, 4029552), (72, 3581824), (96, 2686368), (128, 2014776), (144, 1790912), (192, 1343184), (256, 1007388), (288, 895456), (384, 671592), (512, 503694), (576, 447728), (768, 335796), (1024, 251847), (1152, 223864), (1536, 167898), (2304, 111932), (3072, 83949), (4608, 55966), (9216, 27983)]