87891605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 113097600

約数和(自身を除く): 25205995

約数列:

[1, 5, 29, 67, 83, 109, 145, 335, 415, 545, 1943, 2407, 3161, 5561, 7303, 9047, 9715, 12035, 15805, 27805, 36515, 45235, 161269, 211787, 262363, 606149, 806345, 1058935, 1311815, 3030745, 17578321, 87891605]

約数ペア:

[(1, 87891605), (5, 17578321), (29, 3030745), (67, 1311815), (83, 1058935), (109, 806345), (145, 606149), (335, 262363), (415, 211787), (545, 161269), (1943, 45235), (2407, 36515), (3161, 27805), (5561, 15805), (7303, 12035), (9047, 9715)]