128301715

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{3923}}^1$

素因数の和:4170

約数の個数: 16

約数和(自身を含む): 159722496

約数和(自身を除く): 31420781

約数列:

[1, 5, 31, 155, 211, 1055, 3923, 6541, 19615, 32705, 121613, 608065, 827753, 4138765, 25660343, 128301715]

約数ペア:

[(1, 128301715), (5, 25660343), (31, 4138765), (155, 827753), (211, 608065), (1055, 121613), (3923, 32705), (6541, 19615)]