28399994

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{15973}}^1$

素因数の和:16109

約数の個数: 16

約数和(自身を含む): 49072128

約数和(自身を除く): 20672134

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 15973, 31946, 111811, 223622, 2028571, 4057142, 14199997, 28399994]

約数ペア:

[(1, 28399994), (2, 14199997), (7, 4057142), (14, 2028571), (127, 223622), (254, 111811), (889, 31946), (1778, 15973)]