28428138

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 67461120

約数和(自身を除く): 39032982

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 47, 54, 69, 94, 138, 141, 207, 282, 414, 423, 487, 621, 846, 974, 1081, 1242, 1269, 1461, 2162, 2538, 2922, 3243, 4383, 6486, 8766, 9729, 11201, 13149, 19458, 22402, 22889, 26298, 29187, 33603, 45778, 58374, 67206, 68667, 100809, 137334, 201618, 206001, 302427, 412002, 526447, 604854, 618003, 1052894, 1236006, 1579341, 3158682, 4738023, 9476046, 14214069, 28428138]

約数ペア:

[(1, 28428138), (2, 14214069), (3, 9476046), (6, 4738023), (9, 3158682), (18, 1579341), (23, 1236006), (27, 1052894), (46, 618003), (47, 604854), (54, 526447), (69, 412002), (94, 302427), (138, 206001), (141, 201618), (207, 137334), (282, 100809), (414, 68667), (423, 67206), (487, 58374), (621, 45778), (846, 33603), (974, 29187), (1081, 26298), (1242, 22889), (1269, 22402), (1461, 19458), (2162, 13149), (2538, 11201), (2922, 9729), (3243, 8766), (4383, 6486)]