9799972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 22545600

約数和(自身を除く): 12745628

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 109, 133, 169, 182, 218, 247, 266, 338, 364, 436, 494, 532, 676, 763, 988, 1183, 1417, 1526, 1729, 2071, 2366, 2834, 3052, 3211, 3458, 4142, 4732, 5668, 6422, 6916, 8284, 9919, 12844, 14497, 18421, 19838, 22477, 26923, 28994, 36842, 39676, 44954, 53846, 57988, 73684, 89908, 107692, 128947, 188461, 257894, 349999, 376922, 515788, 699998, 753844, 1399996, 2449993, 4899986, 9799972]

約数ペア:

[(1, 9799972), (2, 4899986), (4, 2449993), (7, 1399996), (13, 753844), (14, 699998), (19, 515788), (26, 376922), (28, 349999), (38, 257894), (52, 188461), (76, 128947), (91, 107692), (109, 89908), (133, 73684), (169, 57988), (182, 53846), (218, 44954), (247, 39676), (266, 36842), (338, 28994), (364, 26923), (436, 22477), (494, 19838), (532, 18421), (676, 14497), (763, 12844), (988, 9919), (1183, 8284), (1417, 6916), (1526, 6422), (1729, 5668), (2071, 4732), (2366, 4142), (2834, 3458), (3052, 3211)]