28878724

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{2393}}^1$

素因数の和:2835

約数の個数: 24

約数和(自身を含む): 57915648

約数和(自身を除く): 29036924

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 2393, 3017, 4786, 6034, 9572, 12068, 16751, 33502, 67004, 1031383, 2062766, 4125532, 7219681, 14439362, 28878724]

約数ペア:

[(1, 28878724), (2, 14439362), (4, 7219681), (7, 4125532), (14, 2062766), (28, 1031383), (431, 67004), (862, 33502), (1724, 16751), (2393, 12068), (3017, 9572), (4786, 6034)]