28556528

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1783}}^1$

素因数の和:1822

約数の個数: 80

約数和(自身を含む): 74328576

約数和(自身を除く): 45772048

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1456, 1783, 2002, 2288, 3566, 4004, 7132, 8008, 12481, 14264, 16016, 19613, 23179, 24962, 28528, 39226, 46358, 49924, 78452, 92716, 99848, 137291, 156904, 162253, 185432, 199696, 254969, 274582, 313808, 324506, 370864, 509938, 549164, 649012, 1019876, 1098328, 1298024, 1784783, 2039752, 2196656, 2596048, 3569566, 4079504, 7139132, 14278264, 28556528]

約数ペア:

[(1, 28556528), (2, 14278264), (4, 7139132), (7, 4079504), (8, 3569566), (11, 2596048), (13, 2196656), (14, 2039752), (16, 1784783), (22, 1298024), (26, 1098328), (28, 1019876), (44, 649012), (52, 549164), (56, 509938), (77, 370864), (88, 324506), (91, 313808), (104, 274582), (112, 254969), (143, 199696), (154, 185432), (176, 162253), (182, 156904), (208, 137291), (286, 99848), (308, 92716), (364, 78452), (572, 49924), (616, 46358), (728, 39226), (1001, 28528), (1144, 24962), (1232, 23179), (1456, 19613), (1783, 16016), (2002, 14264), (2288, 12481), (3566, 8008), (4004, 7132)]