28399030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{258173}}^1$

素因数の和:258191

約数の個数: 16

約数和(自身を含む): 55765584

約数和(自身を除く): 27366554

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 258173, 516346, 1290865, 2581730, 2839903, 5679806, 14199515, 28399030]

約数ペア:

[(1, 28399030), (2, 14199515), (5, 5679806), (10, 2839903), (11, 2581730), (22, 1290865), (55, 516346), (110, 258173)]