89721905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 136808448

約数和(自身を除く): 47086543

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 6361, 14105, 31805, 44527, 82693, 197191, 222635, 413465, 578851, 985955, 1380337, 2563483, 2894255, 6901685, 12817415, 17944381, 89721905]

約数ペア:

[(1, 89721905), (5, 17944381), (7, 12817415), (13, 6901685), (31, 2894255), (35, 2563483), (65, 1380337), (91, 985955), (155, 578851), (217, 413465), (403, 222635), (455, 197191), (1085, 82693), (2015, 44527), (2821, 31805), (6361, 14105)]