28461202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 28770158

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 71, 77, 133, 137, 142, 154, 209, 266, 274, 418, 497, 781, 959, 994, 1349, 1463, 1507, 1562, 1918, 2603, 2698, 2926, 3014, 5206, 5467, 9443, 9727, 10549, 10934, 14839, 18221, 18886, 19454, 21098, 28633, 29678, 36442, 57266, 68089, 103873, 106997, 136178, 184813, 200431, 207746, 213994, 369626, 400862, 748979, 1293691, 1497958, 2032943, 2587382, 4065886, 14230601, 28461202]

約数ペア:

[(1, 28461202), (2, 14230601), (7, 4065886), (11, 2587382), (14, 2032943), (19, 1497958), (22, 1293691), (38, 748979), (71, 400862), (77, 369626), (133, 213994), (137, 207746), (142, 200431), (154, 184813), (209, 136178), (266, 106997), (274, 103873), (418, 68089), (497, 57266), (781, 36442), (959, 29678), (994, 28633), (1349, 21098), (1463, 19454), (1507, 18886), (1562, 18221), (1918, 14839), (2603, 10934), (2698, 10549), (2926, 9727), (3014, 9443), (5206, 5467)]