1978889974

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{2609}}^1\times {\mathrm{8069}}^1$

素因数の和:10727

約数の個数: 16

約数和(自身を含む): 3033028800

約数和(自身を除く): 1054138826

約数列:

[1, 2, 47, 94, 2609, 5218, 8069, 16138, 122623, 245246, 379243, 758486, 21052021, 42104042, 989444987, 1978889974]

約数ペア:

[(1, 1978889974), (2, 989444987), (47, 42104042), (94, 21052021), (2609, 758486), (5218, 379243), (8069, 245246), (16138, 122623)]