2780451068

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{66973}}^1$

素因数の和:67181

約数の個数: 24

約数和(自身を含む): 4961969712

約数和(自身を除く): 2181518644

約数列:

[1, 2, 4, 97, 107, 194, 214, 388, 428, 10379, 20758, 41516, 66973, 133946, 267892, 6496381, 7166111, 12992762, 14332222, 25985524, 28664444, 695112767, 1390225534, 2780451068]

約数ペア:

[(1, 2780451068), (2, 1390225534), (4, 695112767), (97, 28664444), (107, 25985524), (194, 14332222), (214, 12992762), (388, 7166111), (428, 6496381), (10379, 267892), (20758, 133946), (41516, 66973)]