28652701

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 39890880

約数和(自身を除く): 11238179

約数列:

[1, 7, 11, 17, 49, 53, 59, 77, 119, 187, 371, 413, 539, 583, 649, 833, 901, 1003, 1309, 2597, 2891, 3127, 4081, 4543, 6307, 7021, 9163, 9911, 11033, 21889, 28567, 31801, 34397, 44149, 49147, 53159, 69377, 77231, 153223, 240779, 372113, 485639, 540617, 584749, 1685453, 2604791, 4093243, 28652701]

約数ペア:

[(1, 28652701), (7, 4093243), (11, 2604791), (17, 1685453), (49, 584749), (53, 540617), (59, 485639), (77, 372113), (119, 240779), (187, 153223), (371, 77231), (413, 69377), (539, 53159), (583, 49147), (649, 44149), (833, 34397), (901, 31801), (1003, 28567), (1309, 21889), (2597, 11033), (2891, 9911), (3127, 9163), (4081, 7021), (4543, 6307)]