28422252

素因数分解:

$2^2\times 3^9\times {\mathrm{19}}^2$

素因数の和:69

約数の個数: 90

約数和(自身を含む): 78740508

約数和(自身を除く): 50318256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 243, 324, 342, 361, 486, 513, 684, 722, 729, 972, 1026, 1083, 1444, 1458, 1539, 2052, 2166, 2187, 2916, 3078, 3249, 4332, 4374, 4617, 6156, 6498, 6561, 8748, 9234, 9747, 12996, 13122, 13851, 18468, 19494, 19683, 26244, 27702, 29241, 38988, 39366, 41553, 55404, 58482, 78732, 83106, 87723, 116964, 124659, 166212, 175446, 249318, 263169, 350892, 373977, 498636, 526338, 747954, 789507, 1052676, 1495908, 1579014, 2368521, 3158028, 4737042, 7105563, 9474084, 14211126, 28422252]

約数ペア:

[(1, 28422252), (2, 14211126), (3, 9474084), (4, 7105563), (6, 4737042), (9, 3158028), (12, 2368521), (18, 1579014), (19, 1495908), (27, 1052676), (36, 789507), (38, 747954), (54, 526338), (57, 498636), (76, 373977), (81, 350892), (108, 263169), (114, 249318), (162, 175446), (171, 166212), (228, 124659), (243, 116964), (324, 87723), (342, 83106), (361, 78732), (486, 58482), (513, 55404), (684, 41553), (722, 39366), (729, 38988), (972, 29241), (1026, 27702), (1083, 26244), (1444, 19683), (1458, 19494), (1539, 18468), (2052, 13851), (2166, 13122), (2187, 12996), (2916, 9747), (3078, 9234), (3249, 8748), (4332, 6561), (4374, 6498), (4617, 6156)]