311997952

素因数分解:

$2^9\times 7^1\times {\mathrm{263}}^1\times {\mathrm{331}}^1$

素因数の和:619

約数の個数: 80

約数和(自身を含む): 717311232

約数和(自身を除く): 405313280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 263, 331, 448, 512, 526, 662, 896, 1052, 1324, 1792, 1841, 2104, 2317, 2648, 3584, 3682, 4208, 4634, 5296, 7364, 8416, 9268, 10592, 14728, 16832, 18536, 21184, 29456, 33664, 37072, 42368, 58912, 67328, 74144, 84736, 87053, 117824, 134656, 148288, 169472, 174106, 235648, 296576, 348212, 471296, 593152, 609371, 696424, 942592, 1186304, 1218742, 1392848, 2437484, 2785696, 4874968, 5571392, 9749936, 11142784, 19499872, 22285568, 38999744, 44571136, 77999488, 155998976, 311997952]

約数ペア:

[(1, 311997952), (2, 155998976), (4, 77999488), (7, 44571136), (8, 38999744), (14, 22285568), (16, 19499872), (28, 11142784), (32, 9749936), (56, 5571392), (64, 4874968), (112, 2785696), (128, 2437484), (224, 1392848), (256, 1218742), (263, 1186304), (331, 942592), (448, 696424), (512, 609371), (526, 593152), (662, 471296), (896, 348212), (1052, 296576), (1324, 235648), (1792, 174106), (1841, 169472), (2104, 148288), (2317, 134656), (2648, 117824), (3584, 87053), (3682, 84736), (4208, 74144), (4634, 67328), (5296, 58912), (7364, 42368), (8416, 37072), (9268, 33664), (10592, 29456), (14728, 21184), (16832, 18536)]