1640808631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8831}}^1$

素因数の和:8995

約数の個数: 32

約数和(自身を含む): 2170552320

約数和(自身を除く): 529743689

約数列:

[1, 7, 11, 19, 77, 127, 133, 209, 889, 1397, 1463, 2413, 8831, 9779, 16891, 26543, 61817, 97141, 167789, 185801, 679987, 1121537, 1174523, 1845679, 7850759, 12336907, 12919753, 21309203, 86358349, 149164421, 234401233, 1640808631]

約数ペア:

[(1, 1640808631), (7, 234401233), (11, 149164421), (19, 86358349), (77, 21309203), (127, 12919753), (133, 12336907), (209, 7850759), (889, 1845679), (1397, 1174523), (1463, 1121537), (2413, 679987), (8831, 185801), (9779, 167789), (16891, 97141), (26543, 61817)]