28216216

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1208

約数の個数: 64

約数和(自身を含む): 66470400

約数和(自身を除く): 38254184

約数列:

[1, 2, 4, 7, 8, 14, 19, 23, 28, 38, 46, 56, 76, 92, 133, 152, 161, 184, 266, 322, 437, 532, 644, 874, 1064, 1153, 1288, 1748, 2306, 3059, 3496, 4612, 6118, 8071, 9224, 12236, 16142, 21907, 24472, 26519, 32284, 43814, 53038, 64568, 87628, 106076, 153349, 175256, 185633, 212152, 306698, 371266, 503861, 613396, 742532, 1007722, 1226792, 1485064, 2015444, 3527027, 4030888, 7054054, 14108108, 28216216]

約数ペア:

[(1, 28216216), (2, 14108108), (4, 7054054), (7, 4030888), (8, 3527027), (14, 2015444), (19, 1485064), (23, 1226792), (28, 1007722), (38, 742532), (46, 613396), (56, 503861), (76, 371266), (92, 306698), (133, 212152), (152, 185633), (161, 175256), (184, 153349), (266, 106076), (322, 87628), (437, 64568), (532, 53038), (644, 43814), (874, 32284), (1064, 26519), (1153, 24472), (1288, 21907), (1748, 16142), (2306, 12236), (3059, 9224), (3496, 8071), (4612, 6118)]