66448340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{911}}^1$

素因数の和:1448

約数の個数: 48

約数和(自身を含む): 159957504

約数和(自身を除く): 93509164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 911, 1042, 1822, 2084, 2605, 3644, 3647, 4555, 5210, 6377, 7294, 9110, 10420, 12754, 14588, 18220, 18235, 25508, 31885, 36470, 63770, 72940, 127540, 474631, 949262, 1898524, 2373155, 3322417, 4746310, 6644834, 9492620, 13289668, 16612085, 33224170, 66448340]

約数ペア:

[(1, 66448340), (2, 33224170), (4, 16612085), (5, 13289668), (7, 9492620), (10, 6644834), (14, 4746310), (20, 3322417), (28, 2373155), (35, 1898524), (70, 949262), (140, 474631), (521, 127540), (911, 72940), (1042, 63770), (1822, 36470), (2084, 31885), (2605, 25508), (3644, 18235), (3647, 18220), (4555, 14588), (5210, 12754), (6377, 10420), (7294, 9110)]