28007748

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{13649}}^1$

素因数の和:13681

約数の個数: 48

約数和(自身を含む): 76440000

約数和(自身を除く): 48432252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 13649, 27298, 40947, 54596, 81894, 122841, 163788, 245682, 259331, 368523, 491364, 518662, 737046, 777993, 1037324, 1474092, 1555986, 2333979, 3111972, 4667958, 7001937, 9335916, 14003874, 28007748]

約数ペア:

[(1, 28007748), (2, 14003874), (3, 9335916), (4, 7001937), (6, 4667958), (9, 3111972), (12, 2333979), (18, 1555986), (19, 1474092), (27, 1037324), (36, 777993), (38, 737046), (54, 518662), (57, 491364), (76, 368523), (108, 259331), (114, 245682), (171, 163788), (228, 122841), (342, 81894), (513, 54596), (684, 40947), (1026, 27298), (2052, 13649)]