991996390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1288307}}^1$

素因数の和:1288332

約数の個数: 32

約数和(自身を含む): 2226196224

約数和(自身を除く): 1234199834

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1288307, 2576614, 6441535, 9018149, 12883070, 14171377, 18036298, 28342754, 45090745, 70856885, 90181490, 99199639, 141713770, 198399278, 495998195, 991996390]

約数ペア:

[(1, 991996390), (2, 495998195), (5, 198399278), (7, 141713770), (10, 99199639), (11, 90181490), (14, 70856885), (22, 45090745), (35, 28342754), (55, 18036298), (70, 14171377), (77, 12883070), (110, 9018149), (154, 6441535), (385, 2576614), (770, 1288307)]