1640258893

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{1709}}^1$

素因数の和:1981

約数の個数: 32

約数和(自身を含む): 2068416000

約数和(自身を除く): 428157107

約数列:

[1, 7, 13, 53, 91, 199, 371, 689, 1393, 1709, 2587, 4823, 10547, 11963, 18109, 22217, 73829, 90577, 137111, 155519, 340091, 634039, 959777, 1177501, 2380637, 4421183, 8242507, 18024823, 30948281, 126173761, 234322699, 1640258893]

約数ペア:

[(1, 1640258893), (7, 234322699), (13, 126173761), (53, 30948281), (91, 18024823), (199, 8242507), (371, 4421183), (689, 2380637), (1393, 1177501), (1709, 959777), (2587, 634039), (4823, 340091), (10547, 155519), (11963, 137111), (18109, 90577), (22217, 73829)]