51231232

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:253

約数の個数: 80

約数和(自身を含む): 113430240

約数和(自身を除く): 62199008

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 179, 208, 256, 344, 358, 416, 512, 559, 688, 716, 832, 1118, 1376, 1432, 1664, 2236, 2327, 2752, 2864, 3328, 4472, 4654, 5504, 5728, 6656, 7697, 8944, 9308, 11008, 11456, 15394, 17888, 18616, 22016, 22912, 30788, 35776, 37232, 45824, 61576, 71552, 74464, 91648, 100061, 123152, 143104, 148928, 200122, 246304, 286208, 297856, 400244, 492608, 595712, 800488, 985216, 1191424, 1600976, 1970432, 3201952, 3940864, 6403904, 12807808, 25615616, 51231232]

約数ペア:

[(1, 51231232), (2, 25615616), (4, 12807808), (8, 6403904), (13, 3940864), (16, 3201952), (26, 1970432), (32, 1600976), (43, 1191424), (52, 985216), (64, 800488), (86, 595712), (104, 492608), (128, 400244), (172, 297856), (179, 286208), (208, 246304), (256, 200122), (344, 148928), (358, 143104), (416, 123152), (512, 100061), (559, 91648), (688, 74464), (716, 71552), (832, 61576), (1118, 45824), (1376, 37232), (1432, 35776), (1664, 30788), (2236, 22912), (2327, 22016), (2752, 18616), (2864, 17888), (3328, 15394), (4472, 11456), (4654, 11008), (5504, 9308), (5728, 8944), (6656, 7697)]