1277218

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 24

約数和(自身を含む): 2125980

約数和(自身を除く): 848762

約数列:

[1, 2, 19, 29, 38, 58, 61, 122, 361, 551, 722, 1102, 1159, 1769, 2318, 3538, 10469, 20938, 22021, 33611, 44042, 67222, 638609, 1277218]

約数ペア:

[(1, 1277218), (2, 638609), (19, 67222), (29, 44042), (38, 33611), (58, 22021), (61, 20938), (122, 10469), (361, 3538), (551, 2318), (722, 1769), (1102, 1159)]