2145477776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{239879}}^1$

素因数の和:239943

約数の個数: 40

約数和(自身を含む): 4580748480

約数和(自身を除く): 2435270704

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 239879, 479758, 959516, 1919032, 3118427, 3838064, 6236854, 10314797, 12473708, 20629594, 24947416, 41259188, 49894832, 82518376, 134092361, 165036752, 268184722, 536369444, 1072738888, 2145477776]

約数ペア:

[(1, 2145477776), (2, 1072738888), (4, 536369444), (8, 268184722), (13, 165036752), (16, 134092361), (26, 82518376), (43, 49894832), (52, 41259188), (86, 24947416), (104, 20629594), (172, 12473708), (208, 10314797), (344, 6236854), (559, 3838064), (688, 3118427), (1118, 1919032), (2236, 959516), (4472, 479758), (8944, 239879)]