1389779818

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{201359}}^1$

素因数の和:201414

約数の個数: 32

約数和(自身を含む): 2609625600

約数和(自身を除く): 1219845782

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 3451, 6902, 201359, 402718, 1409513, 2819026, 3423103, 5839411, 6846206, 11678822, 23961721, 40875877, 47923442, 81751754, 99269987, 198539974, 694889909, 1389779818]

約数ペア:

[(1, 1389779818), (2, 694889909), (7, 198539974), (14, 99269987), (17, 81751754), (29, 47923442), (34, 40875877), (58, 23961721), (119, 11678822), (203, 6846206), (238, 5839411), (406, 3423103), (493, 2819026), (986, 1409513), (3451, 402718), (6902, 201359)]