77968345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 115718400

約数和(自身を除く): 37750055

約数列:

[1, 5, 7, 13, 35, 65, 91, 349, 455, 491, 1745, 2443, 2455, 3437, 4537, 6383, 12215, 17185, 22685, 31759, 31915, 44681, 158795, 171359, 223405, 856795, 1199513, 2227667, 5997565, 11138335, 15593669, 77968345]

約数ペア:

[(1, 77968345), (5, 15593669), (7, 11138335), (13, 5997565), (35, 2227667), (65, 1199513), (91, 856795), (349, 223405), (455, 171359), (491, 158795), (1745, 44681), (2443, 31915), (2455, 31759), (3437, 22685), (4537, 17185), (6383, 12215)]