66645695

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21191}}^1$

素因数の和:21250

約数の個数: 16

約数和(自身を含む): 86971968

約数和(自身を除く): 20326273

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 21191, 105955, 360247, 784067, 1801235, 3920335, 13329139, 66645695]

約数ペア:

[(1, 66645695), (5, 13329139), (17, 3920335), (37, 1801235), (85, 784067), (185, 360247), (629, 105955), (3145, 21191)]