2493491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 3483648

約数和(自身を除く): 990157

約数列:

[1, 7, 11, 13, 47, 53, 77, 91, 143, 329, 371, 517, 583, 611, 689, 1001, 2491, 3619, 4081, 4277, 4823, 6721, 7579, 17437, 27401, 32383, 47047, 53053, 191807, 226681, 356213, 2493491]

約数ペア:

[(1, 2493491), (7, 356213), (11, 226681), (13, 191807), (47, 53053), (53, 47047), (77, 32383), (91, 27401), (143, 17437), (329, 7579), (371, 6721), (517, 4823), (583, 4277), (611, 4081), (689, 3619), (1001, 2491)]