28263599

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 36900864

約数和(自身を除く): 8637265

約数列:

[1, 7, 13, 31, 43, 91, 217, 233, 301, 403, 559, 1333, 1631, 2821, 3029, 3913, 7223, 9331, 10019, 17329, 21203, 50561, 70133, 93899, 121303, 130247, 310589, 657293, 911729, 2174123, 4037657, 28263599]

約数ペア:

[(1, 28263599), (7, 4037657), (13, 2174123), (31, 911729), (43, 657293), (91, 310589), (217, 130247), (233, 121303), (301, 93899), (403, 70133), (559, 50561), (1333, 21203), (1631, 17329), (2821, 10019), (3029, 9331), (3913, 7223)]