31389696

素因数分解:

$2^{11}\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 98378280

約数和(自身を除く): 66988584

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, 131, 144, 156, 192, 208, 234, 256, 262, 288, 312, 384, 393, 416, 468, 512, 524, 576, 624, 768, 786, 832, 936, 1024, 1048, 1152, 1179, 1248, 1536, 1572, 1664, 1703, 1872, 2048, 2096, 2304, 2358, 2496, 3072, 3144, 3328, 3406, 3744, 4192, 4608, 4716, 4992, 5109, 6144, 6288, 6656, 6812, 7488, 8384, 9216, 9432, 9984, 10218, 12576, 13312, 13624, 14976, 15327, 16768, 18432, 18864, 19968, 20436, 25152, 26624, 27248, 29952, 30654, 33536, 37728, 39936, 40872, 50304, 54496, 59904, 61308, 67072, 75456, 79872, 81744, 100608, 108992, 119808, 122616, 134144, 150912, 163488, 201216, 217984, 239616, 245232, 268288, 301824, 326976, 402432, 435968, 490464, 603648, 653952, 804864, 871936, 980928, 1207296, 1307904, 1743872, 1961856, 2414592, 2615808, 3487744, 3923712, 5231616, 7847424, 10463232, 15694848, 31389696]

約数ペア:

[(1, 31389696), (2, 15694848), (3, 10463232), (4, 7847424), (6, 5231616), (8, 3923712), (9, 3487744), (12, 2615808), (13, 2414592), (16, 1961856), (18, 1743872), (24, 1307904), (26, 1207296), (32, 980928), (36, 871936), (39, 804864), (48, 653952), (52, 603648), (64, 490464), (72, 435968), (78, 402432), (96, 326976), (104, 301824), (117, 268288), (128, 245232), (131, 239616), (144, 217984), (156, 201216), (192, 163488), (208, 150912), (234, 134144), (256, 122616), (262, 119808), (288, 108992), (312, 100608), (384, 81744), (393, 79872), (416, 75456), (468, 67072), (512, 61308), (524, 59904), (576, 54496), (624, 50304), (768, 40872), (786, 39936), (832, 37728), (936, 33536), (1024, 30654), (1048, 29952), (1152, 27248), (1179, 26624), (1248, 25152), (1536, 20436), (1572, 19968), (1664, 18864), (1703, 18432), (1872, 16768), (2048, 15327), (2096, 14976), (2304, 13624), (2358, 13312), (2496, 12576), (3072, 10218), (3144, 9984), (3328, 9432), (3406, 9216), (3744, 8384), (4192, 7488), (4608, 6812), (4716, 6656), (4992, 6288), (5109, 6144)]