28742454

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1221

約数の個数: 48

約数和(自身を含む): 67721472

約数和(自身を除く): 38979018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 226, 234, 339, 678, 1017, 1087, 1469, 2034, 2174, 2938, 3261, 4407, 6522, 8814, 9783, 13221, 14131, 19566, 26442, 28262, 42393, 84786, 122831, 127179, 245662, 254358, 368493, 736986, 1105479, 1596803, 2210958, 3193606, 4790409, 9580818, 14371227, 28742454]

約数ペア:

[(1, 28742454), (2, 14371227), (3, 9580818), (6, 4790409), (9, 3193606), (13, 2210958), (18, 1596803), (26, 1105479), (39, 736986), (78, 368493), (113, 254358), (117, 245662), (226, 127179), (234, 122831), (339, 84786), (678, 42393), (1017, 28262), (1087, 26442), (1469, 19566), (2034, 14131), (2174, 13221), (2938, 9783), (3261, 8814), (4407, 6522)]