28189616

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1019}}^1$

素因数の和:1066

約数の個数: 80

約数和(自身を含む): 70828800

約数和(自身を除く): 42639184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1019, 1064, 1456, 1729, 1976, 2038, 2128, 3458, 3952, 4076, 6916, 7133, 8152, 13247, 13832, 14266, 16304, 19361, 26494, 27664, 28532, 38722, 52988, 57064, 77444, 92729, 105976, 114128, 135527, 154888, 185458, 211952, 251693, 271054, 309776, 370916, 503386, 542108, 741832, 1006772, 1084216, 1483664, 1761851, 2013544, 2168432, 3523702, 4027088, 7047404, 14094808, 28189616]

約数ペア:

[(1, 28189616), (2, 14094808), (4, 7047404), (7, 4027088), (8, 3523702), (13, 2168432), (14, 2013544), (16, 1761851), (19, 1483664), (26, 1084216), (28, 1006772), (38, 741832), (52, 542108), (56, 503386), (76, 370916), (91, 309776), (104, 271054), (112, 251693), (133, 211952), (152, 185458), (182, 154888), (208, 135527), (247, 114128), (266, 105976), (304, 92729), (364, 77444), (494, 57064), (532, 52988), (728, 38722), (988, 28532), (1019, 27664), (1064, 26494), (1456, 19361), (1729, 16304), (1976, 14266), (2038, 13832), (2128, 13247), (3458, 8152), (3952, 7133), (4076, 6916)]