1388405963

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1\times {\mathrm{389}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 1708387200

約数和(自身を除く): 319981237

約数列:

[1, 7, 17, 89, 119, 337, 389, 623, 1513, 2359, 2723, 5729, 6613, 10591, 29993, 34621, 40103, 46291, 131093, 209951, 242347, 509881, 588557, 917651, 2228581, 3569167, 4119899, 11667277, 15600067, 81670939, 198343709, 1388405963]

約数ペア:

[(1, 1388405963), (7, 198343709), (17, 81670939), (89, 15600067), (119, 11667277), (337, 4119899), (389, 3569167), (623, 2228581), (1513, 917651), (2359, 588557), (2723, 509881), (5729, 242347), (6613, 209951), (10591, 131093), (29993, 46291), (34621, 40103)]