138998482

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{320273}}^1$

素因数の和:320313

約数の個数: 16

約数和(自身を含む): 245970432

約数和(自身を除く): 106971950

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 320273, 640546, 2241911, 4483822, 9928463, 19856926, 69499241, 138998482]

約数ペア:

[(1, 138998482), (2, 69499241), (7, 19856926), (14, 9928463), (31, 4483822), (62, 2241911), (217, 640546), (434, 320273)]