12985778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 22391040

約数和(自身を除く): 9405262

約数列:

[1, 2, 13, 19, 26, 38, 97, 194, 247, 271, 494, 542, 1261, 1843, 2522, 3523, 3686, 5149, 7046, 10298, 23959, 26287, 47918, 52574, 66937, 133874, 341731, 499453, 683462, 998906, 6492889, 12985778]

約数ペア:

[(1, 12985778), (2, 6492889), (13, 998906), (19, 683462), (26, 499453), (38, 341731), (97, 133874), (194, 66937), (247, 52574), (271, 47918), (494, 26287), (542, 23959), (1261, 10298), (1843, 7046), (2522, 5149), (3523, 3686)]