15881964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4397}}^1$

素因数の和:4454

約数の個数: 48

約数和(自身を含む): 43346688

約数和(自身を除く): 27464724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 4397, 8794, 13191, 17588, 26382, 30779, 52764, 61558, 92337, 123116, 184674, 189071, 369348, 378142, 567213, 756284, 1134426, 1323497, 2268852, 2646994, 3970491, 5293988, 7940982, 15881964]

約数ペア:

[(1, 15881964), (2, 7940982), (3, 5293988), (4, 3970491), (6, 2646994), (7, 2268852), (12, 1323497), (14, 1134426), (21, 756284), (28, 567213), (42, 378142), (43, 369348), (84, 189071), (86, 184674), (129, 123116), (172, 92337), (258, 61558), (301, 52764), (516, 30779), (602, 26382), (903, 17588), (1204, 13191), (1806, 8794), (3612, 4397)]