81447478

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2801}}^1$

素因数の和:2908

約数の個数: 32

約数和(自身を含む): 146331648

約数和(自身を除く): 64884170

約数列:

[1, 2, 7, 14, 31, 62, 67, 134, 217, 434, 469, 938, 2077, 2801, 4154, 5602, 14539, 19607, 29078, 39214, 86831, 173662, 187667, 375334, 607817, 1215634, 1313669, 2627338, 5817677, 11635354, 40723739, 81447478]

約数ペア:

[(1, 81447478), (2, 40723739), (7, 11635354), (14, 5817677), (31, 2627338), (62, 1313669), (67, 1215634), (134, 607817), (217, 375334), (434, 187667), (469, 173662), (938, 86831), (2077, 39214), (2801, 29078), (4154, 19607), (5602, 14539)]