28473732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1217

約数の個数: 72

約数和(自身を含む): 83131776

約数和(自身を除く): 54658044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1097, 1236, 1442, 1854, 2163, 2194, 2884, 3291, 3708, 4326, 4388, 6489, 6582, 7679, 8652, 9873, 12978, 13164, 15358, 19746, 23037, 25956, 30716, 39492, 46074, 69111, 92148, 112991, 138222, 225982, 276444, 338973, 451964, 677946, 790937, 1016919, 1355892, 1581874, 2033838, 2372811, 3163748, 4067676, 4745622, 7118433, 9491244, 14236866, 28473732]

約数ペア:

[(1, 28473732), (2, 14236866), (3, 9491244), (4, 7118433), (6, 4745622), (7, 4067676), (9, 3163748), (12, 2372811), (14, 2033838), (18, 1581874), (21, 1355892), (28, 1016919), (36, 790937), (42, 677946), (63, 451964), (84, 338973), (103, 276444), (126, 225982), (206, 138222), (252, 112991), (309, 92148), (412, 69111), (618, 46074), (721, 39492), (927, 30716), (1097, 25956), (1236, 23037), (1442, 19746), (1854, 15358), (2163, 13164), (2194, 12978), (2884, 9873), (3291, 8652), (3708, 7679), (4326, 6582), (4388, 6489)]