638859984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1901369}}^1$

素因数の和:1901387

約数の個数: 40

約数和(自身を含む): 1886159040

約数和(自身を除く): 1247299056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1901369, 3802738, 5704107, 7605476, 11408214, 13309583, 15210952, 22816428, 26619166, 30421904, 39928749, 45632856, 53238332, 79857498, 91265712, 106476664, 159714996, 212953328, 319429992, 638859984]

約数ペア:

[(1, 638859984), (2, 319429992), (3, 212953328), (4, 159714996), (6, 106476664), (7, 91265712), (8, 79857498), (12, 53238332), (14, 45632856), (16, 39928749), (21, 30421904), (24, 26619166), (28, 22816428), (42, 15210952), (48, 13309583), (56, 11408214), (84, 7605476), (112, 5704107), (168, 3802738), (336, 1901369)]