1279681690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{388961}}^1$

素因数の和:389022

約数の個数: 32

約数和(自身を含む): 2688505344

約数和(自身を除く): 1408823654

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 388961, 777922, 1944805, 2722727, 3889610, 5445454, 13613635, 18281167, 27227270, 36562334, 91405835, 127968169, 182811670, 255936338, 639840845, 1279681690]

約数ペア:

[(1, 1279681690), (2, 639840845), (5, 255936338), (7, 182811670), (10, 127968169), (14, 91405835), (35, 36562334), (47, 27227270), (70, 18281167), (94, 13613635), (235, 5445454), (329, 3889610), (470, 2722727), (658, 1944805), (1645, 777922), (3290, 388961)]