165963005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2203}}^1$

素因数の和:2301

約数の個数: 32

約数和(自身を含む): 229568640

約数和(自身を除く): 63605635

約数列:

[1, 5, 13, 19, 61, 65, 95, 247, 305, 793, 1159, 1235, 2203, 3965, 5795, 11015, 15067, 28639, 41857, 75335, 134383, 143195, 209285, 544141, 671915, 1746979, 2553277, 2720705, 8734895, 12766385, 33192601, 165963005]

約数ペア:

[(1, 165963005), (5, 33192601), (13, 12766385), (19, 8734895), (61, 2720705), (65, 2553277), (95, 1746979), (247, 671915), (305, 544141), (793, 209285), (1159, 143195), (1235, 134383), (2203, 75335), (3965, 41857), (5795, 28639), (11015, 15067)]