160704005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1663}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 241532928

約数和(自身を除く): 80828923

約数列:

[1, 5, 7, 11, 35, 55, 77, 251, 385, 1255, 1663, 1757, 2761, 8315, 8785, 11641, 13805, 18293, 19327, 58205, 91465, 96635, 128051, 417413, 640255, 2087065, 2921891, 4591543, 14609455, 22957715, 32140801, 160704005]

約数ペア:

[(1, 160704005), (5, 32140801), (7, 22957715), (11, 14609455), (35, 4591543), (55, 2921891), (77, 2087065), (251, 640255), (385, 417413), (1255, 128051), (1663, 96635), (1757, 91465), (2761, 58205), (8315, 19327), (8785, 18293), (11641, 13805)]