81355288

素因数分解:

$2^3\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2843}}^1$

素因数の和:2936

約数の個数: 48

約数和(自身を含む): 179939880

約数和(自身を除く): 98584592

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 146, 196, 292, 392, 511, 584, 1022, 2044, 2843, 3577, 4088, 5686, 7154, 11372, 14308, 19901, 22744, 28616, 39802, 79604, 139307, 159208, 207539, 278614, 415078, 557228, 830156, 1114456, 1452773, 1660312, 2905546, 5811092, 10169411, 11622184, 20338822, 40677644, 81355288]

約数ペア:

[(1, 81355288), (2, 40677644), (4, 20338822), (7, 11622184), (8, 10169411), (14, 5811092), (28, 2905546), (49, 1660312), (56, 1452773), (73, 1114456), (98, 830156), (146, 557228), (196, 415078), (292, 278614), (392, 207539), (511, 159208), (584, 139307), (1022, 79604), (2044, 39802), (2843, 28616), (3577, 22744), (4088, 19901), (5686, 14308), (7154, 11372)]