28469990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69439}}^1$

素因数の和:69487

約数の個数: 16

約数和(自身を含む): 52496640

約数和(自身を除く): 24026650

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 69439, 138878, 347195, 694390, 2846999, 5693998, 14234995, 28469990]

約数ペア:

[(1, 28469990), (2, 14234995), (5, 5693998), (10, 2846999), (41, 694390), (82, 347195), (205, 138878), (410, 69439)]