728311024

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{209767}}^1$

素因数の和:209813

約数の個数: 40

約数和(自身を含む): 1664718848

約数和(自身を除く): 936407824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 209767, 419534, 839068, 1468369, 1678136, 2936738, 3356272, 5873476, 6502777, 11746952, 13005554, 23493904, 26011108, 45519439, 52022216, 91038878, 104044432, 182077756, 364155512, 728311024]

約数ペア:

[(1, 728311024), (2, 364155512), (4, 182077756), (7, 104044432), (8, 91038878), (14, 52022216), (16, 45519439), (28, 26011108), (31, 23493904), (56, 13005554), (62, 11746952), (112, 6502777), (124, 5873476), (217, 3356272), (248, 2936738), (434, 1678136), (496, 1468369), (868, 839068), (1736, 419534), (3472, 209767)]