81530806

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 150239232

約数和(自身を除く): 68708426

約数列:

[1, 2, 7, 14, 31, 47, 49, 62, 94, 98, 217, 329, 434, 571, 658, 1142, 1457, 1519, 2303, 2914, 3038, 3997, 4606, 7994, 10199, 17701, 20398, 26837, 27979, 35402, 53674, 55958, 71393, 123907, 142786, 187859, 247814, 375718, 831947, 867349, 1315013, 1663894, 1734698, 2630026, 5823629, 11647258, 40765403, 81530806]

約数ペア:

[(1, 81530806), (2, 40765403), (7, 11647258), (14, 5823629), (31, 2630026), (47, 1734698), (49, 1663894), (62, 1315013), (94, 867349), (98, 831947), (217, 375718), (329, 247814), (434, 187859), (571, 142786), (658, 123907), (1142, 71393), (1457, 55958), (1519, 53674), (2303, 35402), (2914, 27979), (3038, 26837), (3997, 20398), (4606, 17701), (7994, 10199)]