199428481

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 237557760

約数和(自身を除く): 38129279

約数列:

[1, 7, 49, 73, 127, 439, 511, 889, 3073, 3577, 6223, 9271, 21511, 32047, 55753, 64897, 224329, 390271, 454279, 1570303, 2731897, 4069969, 28489783, 199428481]

約数ペア:

[(1, 199428481), (7, 28489783), (49, 4069969), (73, 2731897), (127, 1570303), (439, 454279), (511, 390271), (889, 224329), (3073, 64897), (3577, 55753), (6223, 32047), (9271, 21511)]