638992848

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{7817}}^1$

素因数の和:7972

約数の個数: 80

約数和(自身を含む): 1791510336

約数和(自身を除く): 1152517488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 262, 312, 393, 524, 624, 786, 1048, 1572, 1703, 2096, 3144, 3406, 5109, 6288, 6812, 7817, 10218, 13624, 15634, 20436, 23451, 27248, 31268, 40872, 46902, 62536, 81744, 93804, 101621, 125072, 187608, 203242, 304863, 375216, 406484, 609726, 812968, 1024027, 1219452, 1625936, 2048054, 2438904, 3072081, 4096108, 4877808, 6144162, 8192216, 12288324, 13312351, 16384432, 24576648, 26624702, 39937053, 49153296, 53249404, 79874106, 106498808, 159748212, 212997616, 319496424, 638992848]

約数ペア:

[(1, 638992848), (2, 319496424), (3, 212997616), (4, 159748212), (6, 106498808), (8, 79874106), (12, 53249404), (13, 49153296), (16, 39937053), (24, 26624702), (26, 24576648), (39, 16384432), (48, 13312351), (52, 12288324), (78, 8192216), (104, 6144162), (131, 4877808), (156, 4096108), (208, 3072081), (262, 2438904), (312, 2048054), (393, 1625936), (524, 1219452), (624, 1024027), (786, 812968), (1048, 609726), (1572, 406484), (1703, 375216), (2096, 304863), (3144, 203242), (3406, 187608), (5109, 125072), (6288, 101621), (6812, 93804), (7817, 81744), (10218, 62536), (13624, 46902), (15634, 40872), (20436, 31268), (23451, 27248)]