28398832

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 72517680

約数和(自身を除く): 44118848

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 37, 44, 49, 56, 74, 77, 88, 89, 98, 112, 148, 154, 176, 178, 196, 259, 296, 308, 356, 392, 407, 518, 539, 592, 616, 623, 712, 784, 814, 979, 1036, 1078, 1232, 1246, 1424, 1628, 1813, 1958, 2072, 2156, 2492, 2849, 3256, 3293, 3626, 3916, 4144, 4312, 4361, 4984, 5698, 6512, 6586, 6853, 7252, 7832, 8624, 8722, 9968, 11396, 13172, 13706, 14504, 15664, 17444, 19943, 22792, 23051, 26344, 27412, 29008, 34888, 36223, 39886, 45584, 46102, 47971, 52688, 54824, 69776, 72446, 79772, 92204, 95942, 109648, 144892, 159544, 161357, 184408, 191884, 253561, 289784, 319088, 322714, 368816, 383768, 507122, 579568, 645428, 767536, 1014244, 1290856, 1774927, 2028488, 2581712, 3549854, 4056976, 7099708, 14199416, 28398832]

約数ペア:

[(1, 28398832), (2, 14199416), (4, 7099708), (7, 4056976), (8, 3549854), (11, 2581712), (14, 2028488), (16, 1774927), (22, 1290856), (28, 1014244), (37, 767536), (44, 645428), (49, 579568), (56, 507122), (74, 383768), (77, 368816), (88, 322714), (89, 319088), (98, 289784), (112, 253561), (148, 191884), (154, 184408), (176, 161357), (178, 159544), (196, 144892), (259, 109648), (296, 95942), (308, 92204), (356, 79772), (392, 72446), (407, 69776), (518, 54824), (539, 52688), (592, 47971), (616, 46102), (623, 45584), (712, 39886), (784, 36223), (814, 34888), (979, 29008), (1036, 27412), (1078, 26344), (1232, 23051), (1246, 22792), (1424, 19943), (1628, 17444), (1813, 15664), (1958, 14504), (2072, 13706), (2156, 13172), (2492, 11396), (2849, 9968), (3256, 8722), (3293, 8624), (3626, 7832), (3916, 7252), (4144, 6853), (4312, 6586), (4361, 6512), (4984, 5698)]