140412978

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 309104640

約数和(自身を除く): 168691662

約数列:

[1, 2, 3, 6, 9, 18, 127, 239, 254, 257, 381, 478, 514, 717, 762, 771, 1143, 1434, 1542, 2151, 2286, 2313, 4302, 4626, 30353, 32639, 60706, 61423, 65278, 91059, 97917, 122846, 182118, 184269, 195834, 273177, 293751, 368538, 546354, 552807, 587502, 1105614, 7800721, 15601442, 23402163, 46804326, 70206489, 140412978]

約数ペア:

[(1, 140412978), (2, 70206489), (3, 46804326), (6, 23402163), (9, 15601442), (18, 7800721), (127, 1105614), (239, 587502), (254, 552807), (257, 546354), (381, 368538), (478, 293751), (514, 273177), (717, 195834), (762, 184269), (771, 182118), (1143, 122846), (1434, 97917), (1542, 91059), (2151, 65278), (2286, 61423), (2313, 60706), (4302, 32639), (4626, 30353)]