25971556

素因数分解:

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

素因数の和:404

約数の個数: 48

約数和(自身を含む): 52245760

約数和(自身を除く): 26274204

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 194, 247, 271, 388, 494, 542, 988, 1084, 1261, 1843, 2522, 3523, 3686, 5044, 5149, 7046, 7372, 10298, 14092, 20596, 23959, 26287, 47918, 52574, 66937, 95836, 105148, 133874, 267748, 341731, 499453, 683462, 998906, 1366924, 1997812, 6492889, 12985778, 25971556]

約数ペア:

[(1, 25971556), (2, 12985778), (4, 6492889), (13, 1997812), (19, 1366924), (26, 998906), (38, 683462), (52, 499453), (76, 341731), (97, 267748), (194, 133874), (247, 105148), (271, 95836), (388, 66937), (494, 52574), (542, 47918), (988, 26287), (1084, 23959), (1261, 20596), (1843, 14092), (2522, 10298), (3523, 7372), (3686, 7046), (5044, 5149)]