81406444

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{8837}}^1$

素因数の和:8902

約数の個数: 36

約数和(自身を含む): 169265376

約数和(自身を除く): 87858932

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2303, 4606, 8837, 9212, 17674, 35348, 61859, 123718, 247436, 415339, 433013, 830678, 866026, 1661356, 1732052, 2907373, 5814746, 11629492, 20351611, 40703222, 81406444]

約数ペア:

[(1, 81406444), (2, 40703222), (4, 20351611), (7, 11629492), (14, 5814746), (28, 2907373), (47, 1732052), (49, 1661356), (94, 866026), (98, 830678), (188, 433013), (196, 415339), (329, 247436), (658, 123718), (1316, 61859), (2303, 35348), (4606, 17674), (8837, 9212)]