66686378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 112622400

約数和(自身を除く): 45936022

約数列:

[1, 2, 11, 22, 43, 86, 157, 314, 449, 473, 898, 946, 1727, 3454, 4939, 6751, 9878, 13502, 19307, 38614, 70493, 74261, 140986, 148522, 212377, 424754, 775423, 1550846, 3031199, 6062398, 33343189, 66686378]

約数ペア:

[(1, 66686378), (2, 33343189), (11, 6062398), (22, 3031199), (43, 1550846), (86, 775423), (157, 424754), (314, 212377), (449, 148522), (473, 140986), (898, 74261), (946, 70493), (1727, 38614), (3454, 19307), (4939, 13502), (6751, 9878)]