26616785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 9308335

約数列:

[1, 5, 13, 43, 65, 89, 107, 215, 445, 535, 559, 1157, 1391, 2795, 3827, 4601, 5785, 6955, 9523, 19135, 23005, 47615, 49751, 59813, 123799, 248755, 299065, 409489, 618995, 2047445, 5323357, 26616785]

約数ペア:

[(1, 26616785), (5, 5323357), (13, 2047445), (43, 618995), (65, 409489), (89, 299065), (107, 248755), (215, 123799), (445, 59813), (535, 49751), (559, 47615), (1157, 23005), (1391, 19135), (2795, 9523), (3827, 6955), (4601, 5785)]