81351172

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{8831}}^1$

素因数の和:8896

約数の個数: 36

約数和(自身を含む): 169150464

約数和(自身を除く): 87799292

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2303, 4606, 8831, 9212, 17662, 35324, 61817, 123634, 247268, 415057, 432719, 830114, 865438, 1660228, 1730876, 2905399, 5810798, 11621596, 20337793, 40675586, 81351172]

約数ペア:

[(1, 81351172), (2, 40675586), (4, 20337793), (7, 11621596), (14, 5810798), (28, 2905399), (47, 1730876), (49, 1660228), (94, 865438), (98, 830114), (188, 432719), (196, 415057), (329, 247268), (658, 123634), (1316, 61817), (2303, 35324), (4606, 17662), (8831, 9212)]