131171328

素因数分解:

$2^{10}\times 3^2\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 132

約数和(自身を含む): 388733488

約数和(自身を除く): 257562160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 86, 96, 128, 129, 144, 172, 192, 256, 258, 288, 331, 344, 384, 387, 512, 516, 576, 662, 688, 768, 774, 993, 1024, 1032, 1152, 1324, 1376, 1536, 1548, 1986, 2064, 2304, 2648, 2752, 2979, 3072, 3096, 3972, 4128, 4608, 5296, 5504, 5958, 6192, 7944, 8256, 9216, 10592, 11008, 11916, 12384, 14233, 15888, 16512, 21184, 22016, 23832, 24768, 28466, 31776, 33024, 42368, 42699, 44032, 47664, 49536, 56932, 63552, 66048, 84736, 85398, 95328, 99072, 113864, 127104, 128097, 132096, 169472, 170796, 190656, 198144, 227728, 254208, 256194, 338944, 341592, 381312, 396288, 455456, 508416, 512388, 683184, 762624, 910912, 1016832, 1024776, 1366368, 1525248, 1821824, 2049552, 2732736, 3050496, 3643648, 4099104, 5465472, 7287296, 8198208, 10930944, 14574592, 16396416, 21861888, 32792832, 43723776, 65585664, 131171328]

約数ペア:

[(1, 131171328), (2, 65585664), (3, 43723776), (4, 32792832), (6, 21861888), (8, 16396416), (9, 14574592), (12, 10930944), (16, 8198208), (18, 7287296), (24, 5465472), (32, 4099104), (36, 3643648), (43, 3050496), (48, 2732736), (64, 2049552), (72, 1821824), (86, 1525248), (96, 1366368), (128, 1024776), (129, 1016832), (144, 910912), (172, 762624), (192, 683184), (256, 512388), (258, 508416), (288, 455456), (331, 396288), (344, 381312), (384, 341592), (387, 338944), (512, 256194), (516, 254208), (576, 227728), (662, 198144), (688, 190656), (768, 170796), (774, 169472), (993, 132096), (1024, 128097), (1032, 127104), (1152, 113864), (1324, 99072), (1376, 95328), (1536, 85398), (1548, 84736), (1986, 66048), (2064, 63552), (2304, 56932), (2648, 49536), (2752, 47664), (2979, 44032), (3072, 42699), (3096, 42368), (3972, 33024), (4128, 31776), (4608, 28466), (5296, 24768), (5504, 23832), (5958, 22016), (6192, 21184), (7944, 16512), (8256, 15888), (9216, 14233), (10592, 12384), (11008, 11916)]