1640893436

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4507949}}^1$

素因数の和:4507973

約数の個数: 24

約数和(自身を含む): 3534232800

約数和(自身を除く): 1893339364

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 4507949, 9015898, 18031796, 31555643, 58603337, 63111286, 117206674, 126222572, 234413348, 410223359, 820446718, 1640893436]

約数ペア:

[(1, 1640893436), (2, 820446718), (4, 410223359), (7, 234413348), (13, 126222572), (14, 117206674), (26, 63111286), (28, 58603337), (52, 31555643), (91, 18031796), (182, 9015898), (364, 4507949)]