31209984

素因数分解:

$2^9\times 3^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:558

約数の個数: 120

約数和(自身を含む): 97189092

約数和(自身を除く): 65979108

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 128, 144, 156, 192, 208, 234, 256, 288, 312, 384, 416, 468, 512, 521, 576, 624, 768, 832, 936, 1042, 1152, 1248, 1536, 1563, 1664, 1872, 2084, 2304, 2496, 3126, 3328, 3744, 4168, 4608, 4689, 4992, 6252, 6656, 6773, 7488, 8336, 9378, 9984, 12504, 13546, 14976, 16672, 18756, 19968, 20319, 25008, 27092, 29952, 33344, 37512, 40638, 50016, 54184, 59904, 60957, 66688, 75024, 81276, 100032, 108368, 121914, 133376, 150048, 162552, 200064, 216736, 243828, 266752, 300096, 325104, 400128, 433472, 487656, 600192, 650208, 800256, 866944, 975312, 1200384, 1300416, 1733888, 1950624, 2400768, 2600832, 3467776, 3901248, 5201664, 7802496, 10403328, 15604992, 31209984]

約数ペア:

[(1, 31209984), (2, 15604992), (3, 10403328), (4, 7802496), (6, 5201664), (8, 3901248), (9, 3467776), (12, 2600832), (13, 2400768), (16, 1950624), (18, 1733888), (24, 1300416), (26, 1200384), (32, 975312), (36, 866944), (39, 800256), (48, 650208), (52, 600192), (64, 487656), (72, 433472), (78, 400128), (96, 325104), (104, 300096), (117, 266752), (128, 243828), (144, 216736), (156, 200064), (192, 162552), (208, 150048), (234, 133376), (256, 121914), (288, 108368), (312, 100032), (384, 81276), (416, 75024), (468, 66688), (512, 60957), (521, 59904), (576, 54184), (624, 50016), (768, 40638), (832, 37512), (936, 33344), (1042, 29952), (1152, 27092), (1248, 25008), (1536, 20319), (1563, 19968), (1664, 18756), (1872, 16672), (2084, 14976), (2304, 13546), (2496, 12504), (3126, 9984), (3328, 9378), (3744, 8336), (4168, 7488), (4608, 6773), (4689, 6656), (4992, 6252)]