268199421

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{491}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 443036160

約数和(自身を除く): 174836739

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 491, 703, 777, 1369, 1473, 2109, 3437, 4107, 4921, 9329, 9583, 10311, 14763, 18167, 26011, 27987, 28749, 54501, 65303, 78033, 127169, 182077, 195909, 345173, 381507, 546231, 672179, 1035519, 2016537, 2416211, 4705253, 7248633, 12771401, 14115759, 38314203, 89399807, 268199421]

約数ペア:

[(1, 268199421), (3, 89399807), (7, 38314203), (19, 14115759), (21, 12771401), (37, 7248633), (57, 4705253), (111, 2416211), (133, 2016537), (259, 1035519), (399, 672179), (491, 546231), (703, 381507), (777, 345173), (1369, 195909), (1473, 182077), (2109, 127169), (3437, 78033), (4107, 65303), (4921, 54501), (9329, 28749), (9583, 27987), (10311, 26011), (14763, 18167)]