259318213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{491}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 341959680

約数和(自身を除く): 82641467

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 491, 1463, 2527, 3437, 3971, 5401, 6859, 9329, 27797, 37807, 48013, 65303, 75449, 102619, 177251, 528143, 718333, 1240757, 1949761, 3367769, 13648327, 23574383, 37045459, 259318213]

約数ペア:

[(1, 259318213), (7, 37045459), (11, 23574383), (19, 13648327), (77, 3367769), (133, 1949761), (209, 1240757), (361, 718333), (491, 528143), (1463, 177251), (2527, 102619), (3437, 75449), (3971, 65303), (5401, 48013), (6859, 37807), (9329, 27797)]