638647534

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{33967}}^1$

素因数の和:34072

約数の個数: 32

約数和(自身を含む): 1173934080

約数和(自身を除く): 535286546

約数列:

[1, 2, 7, 14, 17, 34, 79, 119, 158, 238, 553, 1106, 1343, 2686, 9401, 18802, 33967, 67934, 237769, 475538, 577439, 1154878, 2683393, 4042073, 5366786, 8084146, 18783751, 37567502, 45617681, 91235362, 319323767, 638647534]

約数ペア:

[(1, 638647534), (2, 319323767), (7, 91235362), (14, 45617681), (17, 37567502), (34, 18783751), (79, 8084146), (119, 5366786), (158, 4042073), (238, 2683393), (553, 1154878), (1106, 577439), (1343, 475538), (2686, 237769), (9401, 67934), (18802, 33967)]