164079545

素因数分解:

$5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 230169600

約数和(自身を除く): 66090055

約数列:

[1, 5, 7, 35, 73, 149, 365, 431, 511, 745, 1043, 2155, 2555, 3017, 5215, 10877, 15085, 31463, 54385, 64219, 76139, 157315, 220241, 321095, 380695, 449533, 1101205, 2247665, 4687987, 23439935, 32815909, 164079545]

約数ペア:

[(1, 164079545), (5, 32815909), (7, 23439935), (35, 4687987), (73, 2247665), (149, 1101205), (365, 449533), (431, 380695), (511, 321095), (745, 220241), (1043, 157315), (2155, 76139), (2555, 64219), (3017, 54385), (5215, 31463), (10877, 15085)]