89986645

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 128342016

約数和(自身を除く): 38355371

約数列:

[1, 5, 7, 31, 35, 155, 197, 217, 421, 985, 1085, 1379, 2105, 2947, 6107, 6895, 13051, 14735, 30535, 42749, 65255, 82937, 91357, 213745, 414685, 456785, 580559, 2571047, 2902795, 12855235, 17997329, 89986645]

約数ペア:

[(1, 89986645), (5, 17997329), (7, 12855235), (31, 2902795), (35, 2571047), (155, 580559), (197, 456785), (217, 414685), (421, 213745), (985, 91357), (1085, 82937), (1379, 65255), (2105, 42749), (2947, 30535), (6107, 14735), (6895, 13051)]