208987953008

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{19820557}}^1$

素因数の和:19821224

約数の個数: 20

約数和(自身を含む): 405528616680

約数和(自身を除く): 196540663672

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 19820557, 39641114, 79282228, 158564456, 317128912, 13061747063, 26123494126, 52246988252, 104493976504, 208987953008]

約数ペア:

[(1, 208987953008), (2, 104493976504), (4, 52246988252), (8, 26123494126), (16, 13061747063), (659, 317128912), (1318, 158564456), (2636, 79282228), (5272, 39641114), (10544, 19820557)]